Answer:
I think its false c:
Explanation of why the statement is false regarding the motion of distant galaxies in relation to our galaxy due to the expansion of the universe.
This statement is 'False'.
This observation led to the concept that there is no center of the universe, and each observer in any galaxy would see other galaxies receding, giving the appearance of expansion from their perspective as well.
The statement is based on a misconception. The idea that our galaxy is at the center of the universe and that all other galaxies are moving away from it is a common misconception. In reality, the observation of galaxies moving away from us is a result of the expansion of the universe.
The observations align with the concept of the Big Bang, where the universe began as a hot, dense state and has been expanding ever since.
This expansion is observable as galaxies moving away from each other, and there is no unique center to the expansion; it occurs uniformly across space. Therefore, it's not accurate to say that our galaxy is at the center of the universe.
Therefore, the idea of our galaxy being at the center of the universe is a misconception, as the expansion of the universe causes galaxies to move away from each other uniformly.
2) Fovea is the point of accurate vision. Give reason.
-
Fovea is a tiny pit located in the macula of the retina in the eye provides the accurate vision.
Explanation:
The Fovea is mainly used for sharp central vision, that is very essential for human activities like reading and driving.
In the middle of the retina is a small dimple called the fovea or fovea centralis. A thin layer of light receptor cell covers the inner surface of the choroid.
It produces high visual clarity in the eye that produces sharpest vision and greatest color discrimination. The sharpness is because of high concentration of cone cells in the fovea.
Fovea, the blind spot is where the optic nerve connects to the retina in the back of each eye is known as optic disk.
How did chloroplasts end up in the producers cell
Answer:
they were a paracite
Explanation:
the mitochondrial theorem or something. basically they live in a symbiotic relationship but originally it was two separate life forms. this is true for the mitochondria and chloroplasts
Answer:
They begin as bacteria but are then enlarged by larger cells.
ll in the blank.
Wegener's original name for the supercontinent was _______.
When two tectonic plates converge and one slips under the other, a/an _______ zone is formed.
The process of heating the mantle from the core of the earth causes expansion and movement of material in a/an _______ cell, which is partly responsible for the movement of continents.
Gravity is responsible for the movement of continents in two ways: through _______ at subduction zones as gravity drags a plate downward, and through _______ as gravity pushes plates downslope, away from the center.
When two opposing plates meet and scrape against one another at a fault, stress is created when the two moving plates catch or stick together. As this stress is released, a/an _______ occurs.
The Ring of Fire is a region of intense volcanic and seismic activity that borders the _______ Plate.
Answer:
1. Pangaea
2. subduction
3. convection
4. slab pull, ridge push
5. earthquake
6. Pacific
Explanation:
The 6-kingdom system of classification divides the former kingdom Monera into two kingdoms, Eubacteria and
Explanation:
The 6-kingdom system of classification divides the former kingdom Monera into two kingdoms, Eubacteria and
Archaebacteria
Answer: Archaebacteria . Is the answer period
Explanation:
Which conditions are required for nuclear fusion to begin? The gas cloud must be very dense. Gravitational attraction must stop. Atoms must be stripped of their electrons. Helium atoms must break down into hydrogen. Temperatures must exceed 14 million Kelvin.
Answer:
Explanation:
Fusion requires temperatures about 100 million Kelvin (approximately six times hotter than the sun's core).
At these temperatures, hydrogen is a plasma, not a gas. ...
The sun achieves these temperatures by its large mass and the force of gravity compressing this mass in the core.
Answer:
The gas cloud must be very dense.
Atoms must be stripped of their electrons.
Temperatures must exceed 14 million Kelvin.
Explanation:
I got it right and it says it's not
Gravitational attraction must stop.
Helium atoms must break down into hydrogen.
What Chemical energy is produced as a result of photosynthesis
Answer:
Glucose is a form of chemical energy which is produced in the plants during the process of photosynthesis.
Explanation: Photosynthesis is a process in which light energy is converted into chemical energy. In this process, carbondioxode enters through small opening called stomata and water is absorbed by the plant from the soil in the presence of sunlight produces oxygen and glucose. Oxygen is released in the atmosphere and glucose is stored in different parts of plant body.
Earth travels around the Sun at about 67,000 miles per hour. Earth's motion, therefore, is an example of _____.
A. speed only
B. velocity only
C. both speed and velocity
Answer:
B. Velocity
Explanation:
Answer: (B.)
Earth travels around the Sun at about 67,000 miles per hour. Earth's motion, therefore, is an example of ''velocity only''
What are the different layers of the sun's atmosphere? Which of these layers can we see, and why?
Different layers present in the sun's atmosphere and layers we will see is explained below.
Explanation:
1.The sun's atmosphere is composed of several layers, mainly the photosphere, the chromosphere and the corona. These outer layers is the sun's energy, which has bubbled up from the sun's interior layers, is detected as sunlight.
Photosphere : lowest layer of the sun's atmosphere is the photosphere. Thickness of this layer is about 300 miles (500 kilometers).In this layer is the sun's energy is released as light. Because of the distance from the sun to Earth, light reaches our planet in about eight minutes.It is marked by bright, bubbling granules of plasma and darker, cooler sunspots, which emerge when the sun's magnetic field breaks through the surface.It is is also the source of solar flares: tongues of fire that extend hundreds of thousands of miles above the sun's surface.Solar flares produce bursts of X-rays, ultraviolet radiation, electromagnetic radiation and radio waves.Chromosphere :Next layer of the sun's atmosphere is the chromosphere.It emits a reddish glow as super-heated hydrogen burns off. But the red rim can only be seen during a total solar eclipse. At other times, light from the chromosphere is usually too weak to be seen against the brighter photosphere. It may play a role in conducting heat from the interior of the sun to its outermost layer, the corona. "We see certain kinds of solar seismic waves channeling upwards into the lower atmosphere, called the chromosphere, and from there, into the corona.Corona : Third layer of the sun's atmosphere is the corona. It can only be seen during a total solar eclipse as well.Corona appears as white streamers or plumes of ionized gas that flow outward into space. Temperatures in the sun's corona can get as high as 3.5 million degrees Fahrenheit (2 million degrees Celsius). As the gases cool, they become the solar wind.The photosphere is the deepest layer of the Sun's atomsphere which we can observe directly. It reaches from the surface visible at the center of the solar disk to about 250 miles (400 km) above that.
The Sun's atmosphere is made up of the photosphere, chromosphere, and corona. We can see the photosphere with the eye. The chromosphere and corona can only be seen during a total solar eclipse.
Explanation:The Sun's atmosphere is composed of three primary layers: the photosphere, the chromosphere, and the corona. The photosphere is the lowest layer and is the part of the Sun that we can see with our eyes. It's essentially the Sun's visible surface.
Above the photosphere, we have the chromosphere. This layer gets its name from the Greek word for 'color' because a red glow is often seen around the Sun during solar eclipses. However, the chromosphere is generally not visible to the eye unless during a total solar eclipse.
Beyond the chromosphere lies the corona, which is the outermost layer of the sun's atmosphere. It is visible during a total solar eclipse as a white halo around the Sun but otherwise is too faint to see due to the brightness of the Sun itself.
Learn more about Sun's Atmosphere herehttps://brainly.com/question/31830207
#SPJ6
What does this image represent about population (the black dots represent population)?
A.
uniform population distribution
B.
life table
C.
survivorship curve
D.
random population distribution
E.
clustered population distribution
Answer:
D random population distribution
Explanation:
for plato
Answer:
D. random population distribution
Explanation:
You are running an experiment on photosynthesis rates using the aquatic plant Elodea. Predict how the number of oxygen bubbles will change with different distance from the light source.
Answer:
D. Production of oxygen bubbles will increase as distance of plants from the light source decrease
Production of oxygen bubbles will increase as distance of plants from the light source decrease. The correct option is D.
What is photosynthesis?Photosynthesis is a process that plants and other organisms use to convert light energy into chemical energy that can then be released to fuel the organism's activities via cellular respiration.
Photosynthesis is essential since it's the process by which plants convert carbon dioxide into oxygen using sunlight.
Animals require oxygen to survive, and plants serve as nature's air filter, filtering out harmful carbon dioxide.
When conducting a photosynthesis rate experiment with the aquatic plant Elodea, the production of oxygen bubbles increases as the plants' distance from the light source decreases.
Thus, the correct option is D.
For more details regarding photosynthesis, visit:
https://brainly.com/question/1388366
#SPJ5
What is the importance of capillary fluid exchange?
Answer:
Capillary Exchange Mechanisms
Diffusion, the most widely-used mechanism, allows the flow of small molecules across capillaries such as glucose and oxygen from the blood into the tissues and carbon dioxide from the tissue into the blood.
Explanation:
What is immunity?
That is my question
Answer:
In biology, immunity is the balanced state of multicellular organisms having adequate biological defenses to fight infection, disease, or other unwanted biological invasion, while having adequate tolerance to avoid allergy, and autoimmune diseases.
1. A chemical reaction that requires energy is:
(1 Point)
O
exergonic e.g. photosynthesis
endergonic e.g. cellular respiration
exergonic e.g. cellular respiration
o
endergonic e.g. photosynthesis
Answer:
exergonic e.g. photosynthesis
Explanation:
Answer: endergonic e.g. photosynthesis
Explanation: Endergonic reactions are chemical reactions an input of energy to proceed while electronic reactions are chemical reactions that do not require an input of energy rather in an exergonic reaction energy is released.
Photosynthesis is an example of an endergonic reaction because it requires energy. In photosynthesis, the solar energy absorbed by chlorophyll and other light absorbing pigments in plants are conserved as ATP and NADPH which are the sources of energy to drive the remaining reactions of photosynthesis. The solar energy is converted to chemical energy used in driving the photosynthetic reactions. Chemical equation for the photosynthesis is 6CO2 + 6H2O + solar energy ---> C6H12O6 + 6O2.
Identify the dependent and independent variables in the following examples. a. Height of bean plants is recorded daily for 2 weeks growing in different fertilizers.
Answer:
Identify the dependent and independent variables in the following examples. a. Height of bean plants is recorded daily for 2 weeks growing in different fertilizers.
Height of the bean plant is the dependent variable while the different fertilizer is the independent variable that the bean plant height depends on
Explanation:
In the given example, the type of fertilizer used on bean plants is the independent variable and the resulting height of the bean plants is the dependent variable.
Explanation:In these examples, the independent variable is the factor that you manipulate or change. In this case, the independent variable is the type of fertilizer used on the bean plants. On the other hand, the dependent variable is what you measure or observe change in as a result of the independent variable. Here, the dependent variable is the height of the bean plants. The height of the bean plants may change based on the type of fertilizer used, making it dependent on the independent variable.
Learn more about Dependent and Independent Variables here:https://brainly.com/question/33622753
#SPJ3
the allele for yellow peas is dominant to the allele for green peas. how would you represent the alleles of a plant that is heterozygous for seed color?
Answer: The alleles of a plant that is heterozygous for seed color can be represented as Y for dominant allele for yellow seed and y for recessive allele for green seed.
Explanation: A plant that is heterozygous for seed colour has one dominant allele and one recessive allele for seed colour. If Y represents the dominant allele for yellow seed colour and y represents the recessive allele for green seed colour, therefore the plant has a genotype of Yy. A dominant allele is one that has the ability to mask the effect of a recessive allele while a recessive allele is one whose effect is masked by a dominant allele. Dominant alleles are denoted with upper cases while recessive alleles are denoted with lower cases. A plant that is heterozygous for seed colour with genotype Yy will manifest outwardly as Yellow seed colour due to the presence of the dominant allele Y.
Final answer:
A plant that is heterozygous for seed color, with yellow being dominant over green, would be represented with the genotype Yy. This indicates one dominant allele (Y) for yellow peas and one recessive allele (y) for green peas.
Explanation:
To represent the alleles of a plant that is heterozygous for seed color, where the allele for yellow peas is dominant to the allele for green peas, we use two different letters. As per the Mendelian genetics convention, a dominant allele is indicated using an uppercase letter, while a recessive allele is indicated using a lowercase letter. Since yellow is dominant, we can denote the yellow allele as 'Y' and the green allele as 'y'. Therefore, a heterozygous plant for seed color would have the genotype Yy, indicating it carries one allele for yellow peas and one for green peas.
Pea plants that are homozygous for the yellow trait would have a genotype of YY, and those that are homozygous for the green trait would have a genotype of yy. When these homozygous plants are crossed, as seen in the P generation, the offspring produced are the F₁ heterozygotes with genotype Yy and a yellow phenotype. From this heterozygous state, the offspring can be predicted using a Punnett square analysis to show potential genotypes and phenotypes of the F₂ generation.
What do we call an individual that has inherited two identical alleles for the same trait?
*serious answers only*
Answer:
heterozygous is the correct answer
Explanation:
What is the sign finance of an AUG codon
Answer:
The significance of AUG codon is that it signals the ribosome to start translation.
Explanation: Codons are three nucleotides sequence found on the mRNA strand that codes for a specific amino acid. There are 64 codons, one is the start codon, three are stop codons while 61 codes for twenty amino acids. AUG is the start codon which signals the ribosome to start protein synthesis. The AUG codon also codes for amino acid methionine.
Are the bones arranged in a similar way in each animal?
Bones in different animals show a pattern of similarity known as homologous structures, indicating a common evolutionary past; though they may have adapted over time for various functions. Homologous structures share common ancestry, while analogous structures serve similar functions but evolve independently. This evidence supports the concept of evolution, helping to trace the lineage and relationships among species.
Explanation:The bones in various animals are not arranged identically across all species; however, they often exhibit similarities that suggest a common evolutionary past. These similarities are a result of the bones being derived from a common ancestor, with changes occurring over time due to evolutionary pressures.
Homologous structures in organisms, such as the bones in the limbs of humans, dogs, and whales, share the same basic layout that originated from their shared ancestor's appendages. While the bones might have evolved differently to suit different functions, they maintain a consistent pattern.
It is important to distinguish between homologous and analogous structures. Homologous structures share a common embryonic origin, while analogous structures have similar functions but different origins.
For example, the bones in a whale's front flipper and the human arm are homologous, not analogous, while wings of butterflies are analogous but not homologous to bird wings. Some structures, like the wings of bats and birds, can be both analogous and homologous because they serve the same function and also share a similar structure.
Bones, which are organs comprised of tissues, come in various shapes and sizes. The 206 bones in the human skeleton are categorized by shape and function. This structural diversity among species provides evidence for evolution and helps scientists understand the relationships between different organisms.
The answer is no, the bones are not arranged in the same way in each animal.
The arrangement of bones, known as skeletal structure, varies significantly among different animal species. This variation is a result of evolutionary adaptations to diverse environments and lifestyles. There are five main types of skeletal systems found in animals:
1. Hydrostatic skeleton: Found in soft-bodied animals like earthworms and jellyfish, it consists of a fluid-filled cavity that provides structural support.
2. Exoskeleton: This is the hard outer shell that supports and protects the bodies of arthropods such as insects, spiders, and crustaceans.
3. Endoskeleton: Composed of bone or cartilage, this internal skeleton is found in vertebrates, including fish, amphibians, reptiles, birds, and mammals. Despite being endoskeletons, the specific arrangement and number of bones can differ greatly between these classes. For example, the skeleton of a bird is adapted for flight, with lightweight, hollow bones, while the skeleton of a whale is adapted for swimming, with a streamlined shape and strong, dense bones.
4. Shell: Some animals, like mollusks and turtles, have a hard shell that serves as protection and support.
5. None (Acellular): Some animals, like sponges, do not have a true skeletal system.
Even within the same class of animals, such as mammals, the skeletal structure can vary. For instance, the human skeleton is adapted for bipedal locomotion, while the skeleton of a bat is adapted for flight. Similarly, the skeleton of a dolphin is adapted for an aquatic lifestyle, with a spinal column that is less flexible than that of a land mammal to aid in efficient swimming.
In conclusion, while all vertebrates have an endoskeleton, the arrangement and structure of the bones are tailored to each species' unique ecological niche, resulting in a wide diversity of skeletal arrangements across the animal kingdom.
The first place to turn for help is your friends. True False
tbh idk what subject this is in
Answer:
Well I say true I mean if your scared to talk to a adult then your friend should be the first person to ask for help
Explanation:
Which statement best describes a scientific theory?*
A) It is a collection of data designed to provide support for a prediction
B) It is an educated guess that can be tested by experimentation
C) It is a scientific fact that no longer requires any evidence to support it
D) It is a general statment that is supported by many scientific observations
Answer:
B) It is an educated guess that can be tested by experimentation
Final answer:
A scientific theory is a comprehensive explanation of natural phenomena that has withstood rigorous testing and is widely supported by evidence. It is far more than an educated guess, as it is based on a significant body of facts and confirmed through observation and experimentation. So the correct option is D.
Explanation:
The correct answer to the question is D) It is a general statement that is supported by many scientific observations. A scientific theory is a well-substantiated explanation of some aspect of the natural world that is supported by a large body of facts gathered through observation and experimentation. It is more than just an educated guess or a hypothesis; it is a comprehensive explanation that has been repeatedly tested and confirmed and can explain a wide range of phenomena.
For example, the theory of gravity explains why objects are attracted to one another, and the theory of evolution explains the diversity of life on Earth. These theories have been validated by numerous experiments and observations and are widely accepted by the scientific community because they have withstood rigorous testing.
While theories can be used to make predictions, they are, at their core, explanations that help us understand the world around us. Theories can change over time with new evidence, but such changes are rare and occur through a systematic and often lengthy scientific process. It is important to distinguish between the colloquial use of the term 'theory' as a guess and its scientific usage as a well-supported explanation.
This was once a forested hillside. The county where this hill is located decided to widen the roads in the area. All of the trees and shrubs were cut down. This area was plowed up and all that was left was large boulders, gravel, and a thin layer of soil. After a year, left undisturbed, these low-growing plants appeared. If left undisturbed, what can we expect to see in this space a few years form now?
Answer:
Unwanted/unplanned growth weeds will cover the whole area.
Explanation:
Because the area was previously forested hillside, it has all the environmental conditions (nutrients, rainfall, etc.) to support the vegetation. Hence, Although the soil layer is thin, natural weathering process would increase the depth of soil layer over the years. Later on, biogeochemical cycles on top layer will result into successful nutrients release to support vegetation. Hence, in a few years, there will be growth of weeds (unplanned vegegation).
Answer:
The plants that once lived here should start to re-establish in the area.
the process where a cell changes from one cell type to another is called
Answer: Cellular differentiation is the process where a cell changes from one cell type to another
Explanation:
Usually, the cell changes to a more specialized type. Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
I hope this helps.....
Final answer:
Cellular differentiation is the process by which unspecialized cells become specialized into various cell types with specific functions, a key concept in developmental biology. Differentiation is normal in growth, whereas metaplasia is an abnormal cell conversion that can be associated with disease.
Explanation:
The process where a cell changes from one cell type to another is known as cellular differentiation, which is a pivotal aspect of developmental biology. This differentiation process involves unspecialized cells, such as stem cells, becoming specialized into one of the many different types of cells that make up the human body, like neurons or epithelial cells. Cellular differentiation is crucial, as it is the means by which various cell types develop the unique structures and functions necessary to perform specific tasks in the body.
It's important to distinguish between cellular differentiation and metaplasia. While differentiation refers to the normal development of cells into more specialized forms, metaplasia is the abnormal conversion of one mature cell type to another and often occurs in response to chronic irritation or inflammation, as seen in diseases like cirrhosis of the liver.
2. Based on Figure 22–1, which of the following features evolved first in land plants? (1 point)
•flowers
•water-conducting tissue
•seeds enclosed in fruit
seeds
B. Water-conducting tissues
Which of the following is an example of genetic discrimination?
Miranda's doctor asks her to take a genetic test before she gets pregnant.
o Wesley pays more for his insurance than his younger brother.
O Veronica is cut from the swim team because of poor grades.
O Timothy does not get a promotion at work because he has cancer.
Timothy does not get a promotion at work because he has cancer is an example of genetic discrimination.
Explanation:
Genetic discrimination is termed so when an employer or an insurance company treats indifferently an individual with gene mutation or heritable diseases.
The act of not giving promotion and using the genetic information for the reason by the employer is indifferent and termed genetic discrimination as in case of cancer where life expectancy and large insurance claim is the reason.
Insurance companies do not give benefits or insurance to potential people having or prone for having the mutation and heredity disease.
To help overcome this discrimination federal level laws have been implemented as Genetic information non discrimination act. It strictly prohibits the indifferent behaviour of the employers and insurance companies.
Answer:
D.) Timothy does not get a promotion at work b/c he has cancer.
Explanation:
Hope this helps :D
Which of the following describes a response to external stimuli
A. a person yawns when oxygen levels in the blood are low
B. a child becomes hyperactive due to a chemical imbalance
C. a boy sneezes when exposed to cat dander
D. A girl eats food when she is hungry
Answer:
option C is the right point
Explain why the saprotrophs and detritivores are placed to one side of the pyramid
Answer:
The saprotrophs and detritivores are placed to one side of the pyramid because they are decomposers which feed on dead bodies of all the living organisms which are present in the trophic levels i. e. producers, primary consumers, secondary consumers and tertiary consumers etc. When they feed on dead bodies, they released nutrients which are used by the plants.
match each situation to the correct graph.
1. clownfish lay hundreds of eggs,but only 10% to 15% survive into adulthood.
2. 80% of elephant calves survive into adulthood.
3. A population of beetles in a newly colonized field grows exponentially.
4. A wolf population grows over a certain period and then stabilizes.
1. Clownfish lays hundreds of eggs, but only 10 to 15% survive in adulthood. This completely fits for graph number 4 which shows rapid declining in the population by time.
2. 80% of elephant calves survive into adulthood. This is described graphically by graph number 1 where great number of population size increases stably over a certain period of time.
3. A population of beetles in a newly colonized field grows exponentially. So an exponential graph - a "J" shaped curve in graph number 2 which shows an exponential increase in population size.
4. A wolf population grows over a certain period and then stabilizes, can be described by graph number 3 which is a "S" shaped curve.
It shows that after increasing for certain period of time the population stabilizes due to any environmental factors.
To learn more about population ecology:
https://brainly.com/question/2944207
#SPJ2
two parents with normal phenotypes have a daughter who genetically inherited a disorder. Explain how this is possible.
Answer:
Phenotype is physical appearance of the individual while genotype is the genetic makeup of the individual.
Explanation:
Two parents having normal phenotype but effected individual is due to the parents may be Carrier for the particular deseis and the gene responsible for the desies may be in recessive form and the parents are not effected. The gene is not present in dominant form and can not show its effect but the parents are not effected and the daughter may be affected by certain desiese.
Answer: This is possible only if the two parents ar e heterozygous for the trait and the genetic disorder is inherited in a recessive fashion.
Explanation: Phenotype is the outward appearance of an organism. Genotype is the genetic makeup of an individual, a genotype can not be seen but it is manifested in an observable trait known as phenotype. Every trait is controlled by a pair of gene inherited one from each parent. When the two parents are heterozygous for the trait (having one dominant allele and one recessive allele for the trait), a child can inherit two recessive alleles one from each parent.
For example, when two parents are heterozygous for sickle cell disease AS, a cross between them will produce an offspring with sickle cell disease. As x As =AA, As, As, and ss. (A is dominant and s is recessive).
Definition: This is a cylindrically shaped attachment on the revolving nose piece of a compound light microscope near the specimen
Answer: The answer is objective lens.
The sugar industry is on a decline. To boost sales, sugar executives decide to make a new commercial encouraging consumers to eat sugar. In the commercial, a person is holding a bowl of table sugar. They eat a spoonful of the sugar and say, “Eat sugar, it’s fat free!” Is this false advertising? Use the concepts of biomacromolecules we learned in class to explain your answer.
Answer:
the macro molecule say that
Explanation: