Answer:
1. D
2. B
3. A
4. A
Final answer:
The D. domain contains the largest diversity of organisms, B. Phylum is not a domain, species are the most closely related organisms, and the scientific name of an organism consists of its A. Genus and Species.
Explanation:
In biological classification, the hierarchy of categories from most inclusive to most specific is: domain, kingdom, phylum, class, order, family, genus, and species. The answers to the questions presented are as follows:
Domain is the classification group with the largest number of different organisms.Phylum is not one of the three domains; the three domains are Bacteria, Archaea, and Eukarya.The group that contains organisms that are most closely related is Species.Organisms are called by their scientific name, which consists of their Genus and Species.The binomial nomenclature is the system of nomenclature in which each species is given a unique name that consists of two parts, the generic name (genus) and the specific name (species).
Which element is found in nucleic acids but not in proteins?es each amino acid unique?
Answer:
Phosphorus
Explanation:
Nucleic acids are among the four major biomolecules, others being proteins, carbohydrates and lipids.Nucleic acids include DNA and RNA and are made up of nucleotide bases. Nucleotide bases are made up of a sugar, phophate group and a base. Nucleic acids differ from the other three biomolecules in that they contain element phosphorus while carbohydrates, proteins and lipids does not.Where is over 95% of incoming ultraviolet radiation absorbed
Answer:
The ozone and the atmosphere
Explanation:
Over 95% of incoming ultraviolet radiation is absorbed by the ozone layer in the stratosphere.
The ozone layer, located in the stratosphere at an altitude of approximately 10 to 50 kilometers (6 to 31 miles) above the Earth's surface, plays a crucial role in absorbing and filtering out harmful ultraviolet (UV) radiation from the sun. Ozone (O3) molecules are formed in the stratosphere through the photodissociation of molecular oxygen (O2) by solar UV radiation. The oxygen atoms produced then combine with other oxygen molecules to form ozone.
The ozone layer has a peak concentration of ozone at an altitude of approximately 20 to 25 kilometers (12 to 16 miles). In this region, ozone molecules effectively absorb and scatter much of the incoming UV-B and UV-C radiation from the sun. UV-B radiation is particularly damaging to living organisms and is known to cause skin cancer, cataracts, and harm to marine ecosystems.
The absorption of UV radiation by the ozone layer is crucial for protecting life on Earth from excessive exposure to harmful UV rays. Without the ozone layer, much more UV radiation would reach the Earth's surface, leading to increased risks of UV-related health issues and environmental damage.
However, the ozone layer has been threatened by human-made substances, such as chlorofluorocarbons (CFCs) and other ozone-depleting substances (ODS), which have led to the thinning and depletion of the ozone layer. International efforts, such as the Montreal Protocol, have been successful in phasing out many ODS, leading to gradual recovery of the ozone layer in recent years. Protecting and preserving the ozone layer remains a critical environmental goal to ensure the continued protection of life on our planet from the harmful effects of UV radiation.
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Which event occurs during prophase?
The sister chromatids separate.
The cytoplasm divides.
The spindle fibers form.
The spindle fibers break down.
Answer:
I would say C.
Explanation:
In both Meiosis | and Meiosis || the first phase (Also known as Prophase) the chromosomes become compact and answer C. is the closes to what happens.
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During prophase, the spindle fibers form. The separation of sister chromatids and the division of the cytoplasm happen in later stages of cell division.
Explanation:The event that occurs during prophase, the first phase of cell division, is the formation of spindle fibers. The microtubules that form the basis of the mitotic spindle extend between the centrosomes, pushing them farther apart as the microtubule fibers lengthen. The events such as 'sister chromatids separating' or 'cytoplasm dividing' occur in later stages of cell division, not in prophase.
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One surprising fact of the animal kingdom is that only approximately 5% of animals are classified into which group? A. Insects B. Invertebrates C. Chordates D. Mammals
Answer:
C. Chordates
Explanation:
Even though the chordates seem to be the most marking of the animal kingdom, they are the ones that are most commonly seen, and they are the largest and most complicated, they are actually a very small minority in the animal kingdom. All of the chordates comprise for only around 5% or even less than all of the species in the animal kingdom. On the other side, the invertebrates make up the rest of the 95% or more of all animal species. The chordates are the animals that have a backbone to put it simple, and some of the members are the mammals, reptilians, birds, fish etc.
The Answer is C. Chordates.
when does an object break up due to gravity and tidal forces as it approaches a planet?A) when it moves past the planet very quickly B)when it passes the Roche limit C) when its density is very high D) when it becomes tidally locked to the planet
Answer:
B)when it passes the Roche limit
Explanation:
The Roche limit is the distance within which a celestial body that is held by its own gravitational forces shall disintegrate.
This is due to the effect of another celestial body exceeding the self attraction gravitational force held by the first celestial body.
Objects disperse and form rings in the orbit at the Roche limit.
Outside the Roche limit the objects tend to coalesce
Answer:
B) when it passes the Roche limit
Explanation: The Roche limit is the distance within which a celestial body that is held by its own gravitational forces shall disintegrate.
This is due to the effect of another celestial body exceeding the self attraction gravitational force held by the first celestial body.
Objects disperse and form rings in the orbit at the Roche limit.
Outside the Roche limit the objects tend to coalesce
which of the following statements about uniformitarianism is correct
A. geological call Process have changed throughout the Earth's history
B. geological processes occurring today have always occurred in the past
C. geological processes have stopped completely at different points in time
D. features on the Earth's surface formed as they appear today and have never changed
Answer:
B. geological processes occurring today have always occurred in the past
Explanation:
The concept of Uniformitarianism was proposed by James Hutton, a Scottish Geologist.
In its simple expression, it is stated as the "the present is the key the past". The law of Uniformitarianism is employed by geologists in order to fully unravel how the geological processes today relates to those that have occured through time.
Answer: Geological processes occurring today have always occurred in the past. - is correct about uniformitarianism.
Explanation:
What statement best compares photosynthesis and cellular respiration?
A.
Photosynthesis breaks down sugars to release energy, while cellular respiration stores energy as sugars.
B.
Photosynthesis only takes place in the light, while cellular respiration takes place in the light and dark.
C.
Both photosynthesis and cellular respiration break down sugars to release chemical energy.
D.
Both photosynthesis and cellular respiration take place during the light and during the dark.
Answer:
The answer is B
Explanation: Photosynthesis and respiration takes place in the light. Once it turns dark Photosynthesis stops but respiration does not.
Answer:
A.
Explanation:
Photosynthesis breaks down sugars, glucose, and releases energy and stores the remaining glucose and energy for the next time photosynthesis occurs.
Kyle is reading a story that takes place in London. The story is very interesting to Kyle because his brother has shared stories about visiting London last summer.
What kind of connection is Kyle making between the story he's reading and his brother's travels?
A) text-to-self
B) text-to-text
C) text-to-world
D) no connection
Answer:
C) text-to-world
Explanation:
Kyle makes a text-to-world connection between the story that is set in London and his brother's real life experiences. Text-to-world connections remind you of an experience that someone else has had.
chromosomes stay organized by winding themselves around this type of protein.
What is this protein?
Answer:histones
Explanation:
The proteins that bind the chromosome to form an organized pattern are the histones chromosomal proteins.it is the first step in organizing and packaging the DNA so that it can fit inside of the nucleus
Explain why washing hands can prevent the spread of disease
Not washing hands harms children around the world
About 1.8 million children under the age of 5 die each year from diarrheal diseases and pneumonia, the top two killers of young children around the
world.
Handwashing with soap could protect about 1 out of every 3 young children who get sick with diarrhea and almost 1 out of 5 young children with respiratory infections like pneumonia.
Although people around the world clean their hands with water, very few use soap to wash their hands. Washing hands with soap removes germs much more effectively.
Handwashing education and access to soap in schools can help improve attendance.
Good handwashing early in life may help improve child development in some settings.
Estimated global rates of handwashing after using the toilet are only 19%.
Not washing hands harms children around the world
About 1.8 million children under the age of 5 die each year from diarrheal diseases and pneumonia, the top two killers of young children around the
world.
Handwashing with soap could protect about 1 out of every 3 young children who get sick with diarrhea and almost 1 out of 5 young children with respiratory infections like pneumonia.
Although people around the world clean their hands with water, very few use soap to wash their hands. Washing hands with soap removes germs much more effectively.
Handwashing education and access to soap in schools can help improve attendance.
Good handwashing early in life may help improve child development in some settings.
Estimated global rates of handwashing after using the toilet are only 19%.
Which organelle provides protections and support to a cell? Cell wall, Cytoplasm, Nucleus, Ribosome
Answer:
The answer is a cell wall.
Explanation:
Cytoplasm is the organelle that keeps the other organelles together. The nucleus is the cell that conducts and instructs the cells activities. The ribosome contains RNA. Cell wall is the most reasonable.
Answer: A cell wall :)
Explanation:
I did the quiz with a 100%
What is a gene?
A- a section of a protein that codes for DNA
B- the alternate version of a trait
C- the visible trait in the F1 generation
D- a section of DNA that codes for a specific trait
A gene is a section of DNA that codes for a specific trait or protein. It provides instructions for the production of a protein, determining an organism's traits. The correct answer to the original question is (D).
Explanation:A gene is a section of DNA that codes for a specific trait, so the correct answer to your question is (D). The primary function of a gene is to provide instructions for the production of a specific protein or a set of closely related proteins, which in turn determines an organism's traits. For instance, a gene in peas could be responsible for whether the peas are yellow or green. This DNA sequence is transcribed into mRNA, which is then translated into protein sequences. Thus, the gene (DNA) acts as the blueprint, guiding the cellular machinery to build proteins.
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The winter is caused by _____.
A. direct sunlight striking Earth
B. Indirect sunlight striking Earth
C. Earth's closeness to the sun
D. Earth's far distance from the sun
The winter is caused by Indirect sunlight striking Earth.
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Answer:
Indirect sunlight striking Earth
Explanation:
what are aquatic biomes ?
Answer:
Here are a few examples:
lakes/ponds.
rivers/streams.
estuaries.
wetlands.
intertidal regions.
Aquatic regions house numerous species of plants and animals, both large and small. ... The aquatic biome can be broken down into two basic regions, freshwater (i.e, ponds and rivers) and marine (i.e, oceans and estuaries). Freshwater Regions. Freshwater is defined as having a low salt concentration—usually less than 1%
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How does heat capacity affect temperature change?
Answer:
The heat capacity is the slope of the plot of internal energy U with temperature T. The internal energy is energy that due to the rotation and vibrational energy a molecule possesses and as the temperature increases more rotational and vibrational energy levels becomes excited and so the internal energy increases.
Explanation:
Which is the change in size of a group of organisms of the same species over time? population growth death rate birth rate immigration and emigration
On edge.nuity that answer should be population growth.
Population growth is the change in size of a group of organisms of the same species over time.
What is population growth?Population growth is the increase in the number of humans on Earth. For most of human history our population size was relatively stable. But with innovation and industrialization, energy, food, water, and medical care became more available and reliable.
Population growth rate refers to the change in population over a unit time period, often expressed as a percentage of the number of individuals in the population at the beginning of that period.
The population growth rate is defined as the ratio between the annual increase in the population size and the total population for that year. The decline in the death rate and an increase in the birth rate due to advanced medical facilities. There are mainly four factors that affect population growth.
The correct answer is option A.
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Read the following scenario: Marc's mother is remodeling the backyard. She decides to replace the grass with a concrete patio, cut down a large tree in the corner by the fence, and replace the rose garden with a rock garden fountain feature. How will this disrupt Marc's backyard biome? How with the new design change the abiotic components? What organisms will the new backyard support?
Answer:Well Its basically destroying whatever habitat had formed there. Anything living on the surface of the grace would be dead. Bees would now longer visit since there is a cut in pollen count. The only organisms the yard might support well them
Explanation:
The changes in Marc's backyard will disrupt the backyard biome by altering vegetation and abiotic components, impacting the plant and animal communities.
The replacement of grass with a concrete patio, cutting down a tree, and adding a rock garden fountain will impact the plant and animal communities.
The new design will change the abiotic components by altering sunlight exposure, soil composition, and water availability. For example, the concrete patio will reduce soil moisture and the tree removal will impact shade levels.
The new backyard may support organisms that thrive in urban environments like squirrels, birds attracted to the fountain feature, and insects that adapt to rock gardens.
Scientists suspect that modern horses have different dietary habits than horses that lived long ago. Which of the following would be best for a scientist to do to determine whether the dietary habits of horses have changed over time?
A. study the diet of modern horses
B. compare the teeth of modern horses to the teeth of modern donkeys
C. study the overall anatomy of a modern horse
D. compare the teeth of modern horses to fossilized teeth from ancient horses
(D)
Explanation:The teeth of an organism determine the type of diet it has. Through the domestication of the horse, humans have changed its diet over millennia depending on the climate and occupation.
Answer:
Letter D.
Explanation:
TTo determine the change in dietary habits of horses, the best approach from the ones presented is to compare dental features. Teeth can give different pieces of information. The structure of teeth makes it possible to find traces of the food eaten. The same structure also gives information about the food eaten thanks to the shape and borders of teeth.
Studying the diet of modern horses only gives information of the present.
Comparing teeth of horses and donkeys also focuses on the present only. In addition, it adds an element not related to the research (donkeys).
Studying the whole anatomy of a modern horse gives too much information, and all of it about the modern horse only.
Place the organisms in the correct locations in this food web.
Answer:
Explanation:
green plant beside mouse.......eagle by snake.......goat behind jackal............lion in front of jackal
Answer:
Look at the picture for the answer
Explanation:
Which situation can result in positive population growth?
A - Death rate exceeds birthrate
B - Emigration rate exceeds birthrate
C - Death rate exceeds immigration rate
D - Birthrate exceeds death rate
(Apex)
Answer:
D - Birthrate exceeds death rate
Explanation:
A - Death rate exceeds birthrate
This one means that the population will fall, due to too many people dieing.
B - Emigration rate exceeds birthrate
More people are leaving than being popped out, so decrease.
C - Death rate exceeds immigration rate
This one is so-so. It is possible that the population will grow, but this is not the best answer.
Answer:
D.birthrate exceeda death rate
Explanation:
apexs
Which of these events occurred during the Precambrian time?
Cyanobacteria filled the water and air with oxygen.
Early humans began to make tools, harvest plants, and make cave paintings.
Pangaea, the super continent, was formed.
Pangaea began to break apart into many continents separated by shallow seas.
Cyanobacteria. The Cambrian explosion wouldn’t have happened without so much oxygen that the Cyanobacteria created
Answer:I believe the answer is the first one Cyanobacteria filled the water and air with oxygen
Explanation:
Which macromolecule has she most likely damaged?
A a carbohydrate
B a steroid
C a nucleic acid
D a protein
She most likely damaged C a nucleic acid
Answer:
c
Explanation:
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Only small amounts of enzymes are required for reactions within cells because enzymes are______
A.fragile
B.reused
C.small molecules
D.constantly synthesized
-Hello There-
Great Question! The Answer To This Question Would Be "B"
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Answer: B. reused
Explanation:
Enzymes act as catalyst that speed up the rate of chemical reactions.
They are usually not changed during reactions, that is why it is required in small quantities in the cell since they are not altered and can be reused over and over again.
Select the correct answer. In a family, the father is affected by a genetic disorder. The son in the family has the same disease, but the daughters do not have it. What type of inheritance is this? A. Y-linked B. X-linked C. polygenic D. codominant
D codominant as father developed genes first Transfer to son
what physical property is used to identify matter based on solubility
Ability to dissolve:)
In Alaskan wolves, the allele for grey hair (G) is dominant to the allele for brown hair (g). Two grey wolves are crossed. One of the wolves is homozygous for grey hair and the other is heterozygous. What percentage of the offspring are expected to have grey hair?
a. 25%
Selected:b. 50%This answer is incorrect.
c. 75%
d. 100%
Well, if one wolf is Homozygous for the dominant G allele, then it will be GG. One is heterozygous, meaning it’s Gg. So in a punnet square you’ll end up with GG,GG,Gg,and Gg. Since heterozygous also holds that dominant trait, it works as if it were a GG. The answer is 100%
In a cross between homozygous dominant (GG) and heterozygous (Gg) grey wolves, 100% of the offspring are expected to have grey hair, thanks to the dominance of the grey hair allele.
Explanation:In this case, we are dealing with hereditary traits in Alaskan wolves specifically related to hair color. The information provided tells us that the allele for grey hair (G) is dominant to the allele for brown hair (g). When crossing two grey wolves, one of which is homozygous for grey hair (GG) and the other is heterozygous (Gg), we use a Punnett Square to determine the possible genotypes of their offspring.
The Punnett Square for these parents would look like this:
Top row: G (from GG parent), G (from GG parent) Left column: G (from Gg parent), g (from Gg parent)
The results of the cross yield: GG, Gg, GG, Gg. Therefore, because both GG and Gg wolves display the grey hair color due to the dominance of the G allele, we conclude that 100% of the offspring are predicted to have grey hair.
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Which statement describes the role of phloem within a plant?
Answer:
transport food upward and down
Explanation:
Answer:
C) It transports food to all the parts of the plant only in the downward direction.
Explanation:
Phloem is a conductive tissue specialized in transporting the so-called elaborated sap. Phloem circulates water, carbohydrates, amino acids, lipids, hormones, vitamins, among other substances. This tissue occurs in all organs of the plant. The elaborated sap is the result of the photosynthesis process that is carried out on the leaves, for this reason, the phloem transports food in a downward direction. The tissue that carries food upward is the xylem.
Phloem is a complex tissue, that is, it is formed by several cell types. They are: sieved elements, companion cells, parenchymal cells, fibers and sclereids.
Both processes shown below are energy conversion processes that take place inside of plant cells. Based on your knowledge of cell processes, what is Process A?
A Photosynthesis
B Cellular Respiration
C Fermentation
D Osmosis
i think the answer is B
most asteroids _______.
1. revolve around Jupiter
2. are made of frozen gas and ice
3. are found between Mars and Jupiter
4. generate their own heat through nuclear fusion
?¿
Answer:
Explanation:
Asteroids do not revolve around Jupiter. Jupiter has its own moons and that is all that revolves around it that is easily visible.
Not all are made that way. In fact most are made out of rocks.
Three is correct. That's where they are.
Four is just absurd. If the earth can't do it, the other planets can't either.
Answer:
3. Are found between Mars and Jupiter
Explanation:
The person who answered this first is tottaly correct!
What are the two lengths that all ellipses have (all planets)?
A. Minor and major axes
B. Horizontal and vertical length
C. Conic and isoconic length
D. X and Y axes
Answer: Option A
Explanation:
All the planets are elliptical in shape.There are two axes found in any ellipse of all the planets. The largest diameter in the ellipse is called as the major axis of the ellipse.
The shortest diameter of the ellipse is called as the minor axis. These two lengths are found in every planets of the universe.
Answer:
Option (A)
Explanation:
Generally, an ellipse is defined as a plane curve that borders any two focal points in such a way that for all of its points lies on the curve and the sum of the two distances to their focal points must remain constant.
The shape of most of the planets usually resembles an ellipse, which is basically comprised of two axes, which represents the diameters of the ellipse. Of the two, one is the longest and the other is the smallest, that forms the major and the minor axes respectively. They are always oriented perpendicular to each other.
When both of these axes are equal in terms of length then the ellipse represents a circle.
Thus, the correct answer is option (A).