Answer:
Aa x Aa
Explanation:
Using axial is dominant (A) and terminal is recessive (a). For a recessive trait to show up at all, both parents must have at least one recessive character.
You can solve this using a punnett square
Aa x Aa -> (1) AA (2) Aa (1) aa
This gives a 3:1 ratio or 75%/25% ratio of axial to terminal flowers
what does the keeling curve show about the concentrations of CO2 in the earths atmosphere
Answer:
The Keeling Curve shows that atmospheric carbon dioxide levels are increasing, and at a faster rate each year
Explanation:
Various factors affect the rate of photosynthesis: • light intensity • temperature • carbon dioxide concentration Which one of the factors above is likely to limit the rate of photosynthesis of tomato plants? Explain your answer
Answer:
Light intensity.
Explanation:
Light intensity is the amount of light produced by light source.
Light intensity is a limiting factor that limit the rate of photosynthesis. Without light photosynthesis cannot occur even if there is enough carbondioxide, water and temperature. Increase in light intensity will increase the rate of photosynthesis and more tomatoes will be produced. But if light intensity is reduced, rate of photosynthesis will reduced.
Answer:
carbon dioxide concentration
Explanation:
Carbon dioxide is the major limiting factor that has a direct effect on the tomato plants during the process of photosynthesis. Photosynthesis is a process in which carbon dioxide react with water in the presence of sunlight which produces oxygen and glucose. Some oxygen is used by the plant itself while the extra amount is released in the atmosphere and glucose is stored in different parts of plant body. If the carbon dioxide concentration decreases in the surrounding air of tomato plant as a result low sugar is produced in the process of photosynthesis.
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What data would you need to gather from the flies to determine if evolution (or speciation) was occurring in the groups?
Evolution is the continuous and heritable change over successive generations. Evolution leads to change in certain traits of an organism, which is then inherited by the offspring.
The data required to determine whether evolution occurred in the groups is that the two new populations must be formed from an original population, have evolved, and the inability of the two new breeds formed to reproduce.
Speciation can be caused due to evolution, in which the accumulation of small alterations in the genetic sequences over a long period of time.
For example, the speciation occurred when 200 years ago, apple maggot laid off the eggs on hawthorns.
Now, in the recent trend, the hawthorns mate with hawthorns, and maggots mate with the maggots only. It represents the evolution of species unable to interbreed and originated from a common source.
Thus, data required to determine evolution is a mutation, changes, original population, and reproduction.
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blank is the gradual change in the types of species that live in a community. This can include primary and secondary situations.
Ecological succession is the process of gradual change in the types of species which live in a community. This can include both primary and the secondary situations.
What is Ecological succession?Ecological succession is the process of change in the species structure of an ecological community over a period of time. The time scale through which succession take place can ranges from the time period of certain decades or more or less.
Ecological succession is of two major types depending upon the type of ecosystem or environment in which it is taking place. Ecological succession may be primary and secondary type. Primary succession takes place in the ecosystem where no living organism ever existed and secondary succession is the succession where living organisms once existed.
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Final answer:
Ecological succession is the process where species composition of a community changes over time, involving primary or secondary succession. Primary succession occurs in uncolonized areas, while secondary succession happens in previously inhabited but disturbed areas.
Explanation:
Ecological succession is the gradual change in the types of species that live in a community. This process can occur as either primary succession or secondary succession. Primary succession refers to the change over time in the numbers and types of species that live in an area that was never before colonized by living things. Secondary succession, in contrast, is the change over time in the numbers and types of species in an area that was previously colonized by living things but has been disturbed, for example by a forest fire.
Succession leads to changes in community structure and the types of ecosystems present as different species succeed one another over time. This process can significantly alter the biodiversity and physical landscape of an area.
which characteristic is necessary for natural selection to occur in a species?
Explanation:
Organism or species with strong adaptation, or probably good traits.
Organism that can survive during competition are usually the ones to recognized for natural selection to occur in species.
A tall green plant is homozygous for each trait. If T is the tall allele,and G is the green allele, what are the genotype and the phenotype of this plant?
Answer:
GGTT,100% green and tall
Explanation:
HELPPP!?!?!?!
What are some of the challenges of becoming fossilize? Why don't all
organisms leave behind fossil evidence?
Describe how the genotypes RR and Rr result in the same phenotype.
Answer:
bum
Explanation:
bummhole
Due to the law of dominance after crossing R is dominant over the r and has the heterozygous condition in Rr showing the same phenotype as RR.
What is a heterozygous condition?A heterozygous condition is when two alleles are not pure for bredding and have both alleles of different traits but one allele can mask the trait of the other.
RR is the homozygous condition and Rr is heterozygous condition, but R gene having dominant trait so it can control the trait of the r allele.
In the law of dominance, the homozygous condition has both the alleles in dominant form but in the heterozygous condition, one allele is dominant to the other.
Therefore due to heterozygous condition RR and Rr shows the same phenotype.
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Neurons (nerve cells) of the central nervous system (brain and spinal cord) are in G0 of the cell cycle and generally do not divide in response to an injury. The scientists predict that they can use the data from this experiment to help them treat individuals who suffer from spinal cord injuries. Provide reasoning to support the scientists’ prediction.
Answer:
The data provides important information about the specific protein needed to induce cells to start the cell cycle, so to overcome an injury the cells need to divide and overcome the wound by repairing it, for this it will be necessary to deliver the appropriate protein to the cell. A new sign of how a protein inhibits the entry of cells into the cell cycle is also observed.
Due to recent discoveries in neurogenesis, scientists believe that neural stem cells can form new neurons, providing potential treatments for spinal cord injuries even though CNS neurons typically do not divide.
Explanation:The scientists predict that they can use data from their experiment to help treat individuals who suffer from spinal cord injuries, despite neurons in the central nervous system (CNS) being in G0 of the cell cycle and generally not dividing in response to an injury. This prediction is supported by the understanding that the CNS is composed of the brain and spinal cord, where neurons are responsible for transmitting information and are essential for bodily functions. However, unlike other cells in the body such as skin or bone cells, neurons do not readily divide and form new cells after damage, which usually results in the permanent loss of certain functions.
Recent findings in neurogenesis reveal that new neurons can be formed from the division of undifferentiated neural stem cells found in the brain, even in adults. This process shows potential in developing therapeutic strategies to treat spinal cord injuries and other nervous system damages. Therefore, if scientists can harness this capability, they might be able to promote the repair of the nervous system following injury by encouraging the growth of new neurons or the restoration of neural functions.
are coyotes tertiary consumers and are vultures quaternary consumers?
Answer:
Yes and Yes
Explanation:
Tertiary consumers are considered to be the top of the food chain and typically do not have any natural predators.
Quaternary consumers are often top predators within the environment, and they eat the tertiary consumers.
Which best explains why children often look like their parents?
Answer:
So children look like combinations of their parents because they are. Each parent gives half of their genetic material to their children. The combination makes a unique combination of their parents genes. The scientific study of how traits are passed from parents to children is called 'genetics'.
The best explanation of why children often look like their parents are traits or characteristics are passed on to offspring from parents. The correct option is A).
What is heredity?Heredity refers to the genetic legacy passed down to us from our parents. It can also be defined as traits passed down from generation to generation.
Blood type and eye colour are two common examples of these characteristics. Some disorders can even be passed down from parents to children through heredity. These are known as hereditary or genetic disorders. These disorders are typically incurable.
These are hereditary qualities that are determined by genes. A single gene can also have numerous variations. These are known as alleles. Except for genes on sex chromosomes, every gene in our cells has two copies. These two copies can be identified and referred to as homozygous, or they can be different and referred to as heterozygous.
Therefore, the correct option is A) Traits, or characteristics, are passed on to offspring from parents.
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The question is incomplete. Your most probably complete question is given below:
A) Traits, or characteristics, are passed on to offspring from parents.
B) Before being born, the characteristics of offspring are randomly formed.
C) Babies begin to look like their parents as their features start to mature.
D) Babies form physical features similar to the people they are around most often.
Which of the following personal health practices should a person follow to prevent obesity?
Limit spending time outdoors in summers.
Have a balanced diet and exercise regularly.
Wash hands frequently to maintain proper hygiene.
Get the DNA modified to replace the faulty gene.
Answer:
Have a balanced diet and exercise regularly.
Answer:
Have a balanced diet and exercise regularly.
Explanation:
The diagram below shows a side view of several layers of rock below
Earth's surface. Which rock layer provides the best long-term storage
of groundwater?
Select one:
Layer III
Layer II
Layer I
Layer IV
Answer:
layer III
Explanation:
high porosity and low permeability provides the best long-term storage
Layer III, with high porosity and low permeability, provides the best conditions for long-term storage of groundwater, offering ample pore space while restricting rapid water movement.
The best long-term storage of groundwater is facilitated by rock layers with high porosity and low permeability. Porosity refers to the ability of a rock to hold water in its pores, while permeability is the ease with which water can flow through the rock. For effective storage of groundwater, it is essential that the rock layer can retain water within its pore spaces, preventing rapid drainage or flow.
In this context, Layer III, characterized by high porosity but low permeability, provides an ideal combination for groundwater storage. High porosity means there are ample pore spaces within the rock, allowing it to hold a significant amount of water. However, the low permeability of the rock restricts the movement of water, preventing it from quickly escaping or draining away. This characteristic of Layer III ensures that groundwater is retained within the rock over an extended period, serving as a reliable and sustainable storage reservoir.
On the other hand, Layer I, with both high porosity and high permeability, might allow water to move too freely, limiting its long-term storage capacity. Layers II and IV, with either low porosity or low permeability, are less suitable for efficient groundwater storage.
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Recall what you know about the functions of the skeletal system to complete the following questions. The skeleton provides a framework for and soft tissue attachment. Name one organ protected by the ribcage. Blood is formed in the bone marrow. is released and deposited in the bones and blood to maintain homeostasis. is stored in the bones. When muscles , the bones attached to them move.
Answer:
The skeleton provides a framework for
⇒ muscle and soft tissue attachment.
Name one organ protected by the ribcage.
⇒ Heart, lungs, liver
Blood is formed in the
⇒ red bone marrow.
⇒ Calcium is released and deposited in the bones and blood to maintain homeostasis.
⇒ calcium, phosphorus, minerals, fat is stored in the bones.
When muscles
⇒ contract, the bones attached to them move.
Explanation:
it's on edge
The skeletal system provides structure and support for the body, protects vital organs like the heart within the ribcage, and plays a role in blood cell production, mineral storage, and movement in conjunction with muscle contractions.
Explanation:The skeletal system plays several vital roles in the human body, including providing support and shape, protecting important internal organs, aiding in movement by serving as points of attachment for muscles, producing blood cells, storing minerals, and helping to maintain homeostasis. For instance, the ribcage is a structure within the skeletal system that protects critical organs such as the heart. Blood cells are produced in the red bone marrow, and calcium is a key mineral that is released and deposited in bones to maintain homeostasis. Additionally, phosphorus is another mineral that is stored in bones. When muscles contract, they exert force on bones, which results in the movement of the body.
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What lobe is found in the area designated by label 1?
A) occipital
B) frontal
Identify the types of point mutations depicted
Answer:
yeaaaa
Explanation:
Answer: the first one is C & the other is B
Explanation:
List and explain 3 examples of the loss of biodiversity
Answer:
Habitat destruction and degradation: mining, agriculture, settlement, industries, highways and construction being primary examples. Degradation casued through poor land use and deforestation. Habitat fragmentation: fragmentation is one of the most serious causes of erosion of biodiversity.
Explanation:
Use the drop-down menus to complete the sentence. The image shows a type of ____ reproduction called ____ .
Answer:
1) Asexual
2) Budding
Explanation:
Answer:
1. reduction
2. oxidation
Explanation:
<3
Is a Jellyfish free-swimming for its whole life? Explain why or why not.
Answer:
Jellyfish start off their life in the polyp stage. The stage we are used to seeing (e.g. the jellyfish looking stage) is called the medusa stage.
Explanation:
Look at this image and see how a jellyfish actually starts out as not free-swimming.
Yes, a Jellyfish is a free-swimming for its whole life.
What are the characteristics of jelly fish?jellyfish swim at a pace of around two centimeters each second. They can move faster, but this doesn't help them catch prey, which is usually why they use the "swimming" motion of waving tentacles.
Jellyfish are among the most energy-efficient swimmers despite their gelatinous bodies and lack of fins. They accomplish this by constructing a wall of water to push off with using their bells.
The jellyfish begins to die as soon as the receding tide deposits it on the beach. A jellyfish inhales by taking in oxygen from the seawater through its skin so when it is on dry land it can at this point not live.
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What could a scientist do to determine what era the Eocene Period belongs to on the geologic time scale?
Answer:
Option B) study information related to the Cenozoic era
Explanation:
The complete question is
Scientists discovered that the Eocene time period existed in Earths history around 34 MYA. What do they need to do to determine what time period Eocene belongs to on the geologic time scale?
A) learn what happened during Precambrian time
B) study information related to the Cenozoic era
C) view the timing of events in the Mesozoic era
D) research events that happened during the Paleozoic era
Solution -
The period of Eocene belong to the Cenozoic era. The Cenozoic era is divided into three periods-
a) The Paleogene – Existed between 65.5 to 23.03 million years ago
b) The Neogene - Existed between 23.03 to 2.6 million years ago
c) The Quaternary – Started some 2.6 million years ago and is continuing till present
The Paleogene is subdivided into three epochs –
A) The Paleocene – existed between 65.5 to 55.8 million years ago
B) The Eocene – existed between 55.8 to 33.9 million years ago and
C) The Oligocene – existed between 33.9 to 23.03 million years ago
Hence, studying about Cenozoic era will give information about the Eocene epoch
Hence, option B is correct
Answer:
HEY FELLOW HOT DOG OR PUGSTIEN THE ANSWER IS B
Explanation:
HOPE THIS HELPS ...BURGER
Which of these atoms is most likely to share electrons with other atoms?
A purple circle labeled He surrounded by 1 circle, which has 2 small green spheres.
A purple circle labeled F surrounded by 2 concentric circles. The inner circle has 2 small green spheres. The outer circle has 7 small green spheres.
A purple circle labeled Ar surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The middle circle has 8 small green spheres. The outer circle has 8 small green spheres.
A purple circle labeled N a surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The middle circle has 8 small green spheres. The outer circle has 1 small green sphere.
Answer:
Answer B is Correct
Explanation:
The atoms that is most likely to share electrons with other atoms is : ( B )
A purple circle labeled F surrounded by 2 concentric circles. The inner circle has 2 small green spheres. The outer circle has 7 small green spheresCovalent bondingCovalent bonding is the sharing of electrons between two atoms
Atoms that are likely to share electrons form covalent compounds and covalent compounds have certain unique characteristics which are ;
low melting point poor conductorslow boiling point low solubility in waterThe number of ions in the outermost shell/circle of an atom determines the ability of an atom to either share or transfer its ions to another atom. The purple circle having 7 small green spheres will share its electrons with other atoms to achieve the octet state.
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What is periosteum function
Answer:
The peritoneum is a membrane made up of two layers. One layer lines the cavity and the other layer lines the organs. The peritoneum helps support the organs in the abdominal cavity and also allows nerves, blood vessels, and lymph vessels to pass through to the organs.
Explanation:
The periosteum is a vital membrane that covers bone surfaces, facilitating bone growth, repair, and nourishment, as well as serving as an attachment point for tendons and ligaments.
Explanation:The periosteum is a fibrous membrane that covers the outer surface of all bones, except at the joints of long bones, and serves several important functions in the body. It provides a channel for the blood vessels and nerves to nourish and innervate bones. Additionally, the periosteum plays a crucial role in bone growth, repair, and remodeling. It contains cells that develop into osteoblasts which are essential for creating new bone tissue during the repair process. Tendons and ligaments also attach to the periosteum, establishing a structural connection between muscles and bones. The periosteum's deep layers and its involvement with the endosteum contribute to the growth of bones and the maintenance of bone health.
The cell wall in plants functions to prevent the cell membrane from
breaking when too much water enters the cell. When too much water enters an animal cell, it is reasonable to predict that-
a.mitochondria will take up excess water.
b.the cell membrane will break.
c.the cell wall will break.
d.nothing will happen to the animal cell.
Answer:
b
Explanation:
When too much water enters an animal cell, the cell membrane will break.
What is cell membrane and cell wall?Inside a cell, the cell membrane helps to surround the cell organelles and cytoplasm. Ions can also go from the inside to the outside of the cell through the cell membrane.The cell membrane is protected by the cell wall, which is a tough, tough barrier.Cell wall is absent in animal cell.Plant cells' plasma membrane is surrounded by a cell wall that offers tensile strength and protection against mechanical and osmotic stress.It also enables cells to create turgor pressure, or the pressure exerted by the contents of the cell against the cell wall.Hence, the correct option is B.
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The smallest particle of an element is the ____.
The smallest particle of an element is an atom.
Describe the products made by the process of cellular respiration?
Answer:
Cellular respiration is this process in which oxygen and glucose are used to create ATP, carbon dioxide, and water. ATP, carbon dioxide, and water are all products of this process because they are what is created. Carbon dioxide is released as a gas when you exhale.
Explanation:
Answer:
Cellular respiration is this process in which oxygen and glucose are used to create ATP, carbon dioxide, and water. ATP, carbon dioxide, and water are all products of this process because they are what is created.(The three products of cellular respiration are ATP energy, carbon dioxide, and water.)
Explanation:
A pond has several varieties of a species of frog that all eat the
same kind of bug. Most of the frogs are fast-growing varieties that need to eat more bugs each day than the slow-growing variety. A drought drastically reduces the number of bugs, and the population of the fast-growing frogs declines drastically while the population of slow-growing frogs declines only slightly. Most of the frogs in the pond are now the slow-growing variety. This is an example of which of the following?
A) evolution
B) mutations
C) acquired characteristics
D) natural selection
E) artificial selection
Answer:
Natural selection
Explanation:
Natural selection is a process of evolution where organisms becomes better adapted to their environment through the different reproductive success of the individuals.
Since the slow growing frogs required fewer bugs, they were better able to survive. Since they were better able to survive, they produced more offspring that were also slow growing. In this way, the environment selected for the trait that improved the organisms survival.
On a hot summer day in Florida, Sarah was having a picnic with her family. She took a glass,
which had been sitting in the Sun, and filled it with ice cubes from a cooler. Then she added
lemonade from a thermos jug. Which of the following describes one direction in which heat
will flow? *
Answer:
C. From the lemonade to the ice cube.
Explanation:
:) ICE = COLD
LEMONADE=ROOM TEMPERATUREHEAT FROM ROOM TEMP. GOES INTO THE ICE CUBES
∵∴∵∴if this doesn't help then i dONT kNOW ∞∵∴
Nailah leads a very busy lifestyle and finds herself eating a lot of processed, high sodium foods. She rarely eats home-cooked food and often eats food that is high in cholesterol. What disease does Nailah have risk factors for?
malaria
histoplasmosis
heart disease
mental illness
Answer:
c: Heart disease <3
Explanation:
Edge 2021
Nailah has risk factors for heart disease. a healthy lifestyle that includes regular exercise, a balanced diet, and avoiding harmful habits such as smoking can help reduce the risk of developing heart disease.
What is Heart disease?Heart disease is a condition where the heart becomes damaged or weakened, leading to reduced blood flow to the body's vital organs. Several factors contribute to the development of heart disease, including high blood pressure, high cholesterol levels, and a diet high in sodium and saturated fats.
Processed and high-sodium foods are often associated with increased blood pressure, which is a risk factor for heart disease. Similarly, a diet high in cholesterol can cause plaque to build up in the arteries, leading to atherosclerosis, which is also a risk factor for heart disease.
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Why did seed production help plants move to land?
A. Seeds made it possible to transmit water through leaves
B. Seeds made plants able to reproduce with deuterostomes
C. Seeds allow gametes to live longer without water
D. Seeds allowed them to become sporophytes.
Answer: C (Seeds allow gametes to live longer without water.)
Explanation:
Final answer:
The evolution of seeds allowed plants to reproduce independently of water. Pollen and seed structures enable seed plants to disperse their gametes and protect the embryos, aiding their conquest of dry land.
Explanation:
The evolution of seeds allowed plants to reproduce independently of water; pollen allows them to disperse their gametes great distances.
The two innovative structures of pollen and seed allowed seed plants to break their dependence on water for reproduction and development of the embryo, and to conquer dry land. The pollen grains carry the male gametes of the plant. The small haploid (1n) cells are encased in a protective coat that prevents desiccation (drying out) and mechanical damage. Pollen can travel far from the sporophyte that bore it, spreading the plant's genes and avoiding competition with other plants. The seed offers the embryo protection, nourishment and a mechanism to maintain dormancy for tens or even thousands of years, allowing it to survive in a harsh environment and ensuring germination when growth conditions are optimal. Seeds allow plants to disperse the next generation through both space and time. With such evolutionary advantages, seed plants have become the most successful and familiar group of plants.
Describe how energy flows from the sun to plants to animals
Answer:
The energy flow through living organisms starts with sunlight and photosynthesis, then travels through the food chain in bite sized chunks. Primary producers, primary consumers, secondary consumers, and decomposers are all part of the food chain. It's great to be an Omnivore.
Hope this helps!
Engergy from the sunlight is absorbed by pigments in leaves through photosynthesis, completed by autotrophs. Heterotrophs them consume the autotrophs and their once light energy. Eventually, the heterotrophs die and decomposers decompose their bodies that contain the once light energy and put it in the soil.