Scientists have now molecular tools to improve genetic selection. It is an artificial selection.
What is artificial selection?Artificial selection refers to the selection of organisms (e.g., plants or animals) made by humans.
These organisms are selected to obtain offspring having desired phenotypic traits (e.g., crops resistant to drought).
In the last decades, molecular methods (e.g., molecular markers) have greatly helped to improve artificial selection methods.
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what is cell division??
Cell division can be defined as a process by which a cell distributes its genetic material and cytoplasm and gives rise to new daughter cells. It is a part of the larger cell cycle and has a direct role in cell reproduction.
Answer to this question
Answer:
B
Explanation:
they can form to make large molecules
How do fungi digest their food sources?.
Answer:Fungi release digestive enzymes into their food and digest it externally.
Explanation:
They absorb the food molecules that result from the external digestion.
I hope this helps
How does changing the amplitude affect a wave's energy
Answer:
The energy transported by a wave is directly proportional to the square of the amplitude. So whatever change occurs in the amplitude, the square of that effect impacts the energy. This means that a doubling of the amplitude results in a quadrupling of the energy
Which is not a function of bone?
A. production of vitamin D
B. internal support
C. protection of internal organs
D. storage of calcium
Answer:
The answer is A. production of Vitamin D
Explanation:
The only functions of bones are internal support, protetction of internal organs and storage of calcium.
Which of the following organs does a dog not have? spleen appendix gallbladder large intestine.
Answer:
Surprisingly, dog don't have an Appendix
Explanation:
Does this help?
The cecum, a part of the large intestine, is attached to the appendix, which is a small, finger-like pouch. Dogs, along with many other animals, do not have an appendix, although humans do.
In humans, the appendix is thought to have some minor immune system activities and may help with digestion. It is a vestigial organ, meaning that it has lost or reduced its original role over evolution, and its specific function is not fully understood. Dogs do not have an appendix because their digestive systems have different adaptations. Dogs have a digestive system that is relatively short and designed to break down animal proteins.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
Which of the following organs does a dog not have?
spleen appendix gallbladder large intestine.The cell membrane is able to move and/or change shape.
True
False
Answer:
For me, it's can the shape but not very much
Mutations can occur in the chromosomes of all types of cells. Mutations that are passed on to offspring must occur in?
why is it not likely to use an electron microscope in a school laboratory
Explanation:
electron microscopes are highly sensitive, magnetic fields and vibrations caused by other lab equipment may interfere with their operation.
Phloem delivers the sugar made during photosynthesis to various parts of a
plant. Some food energy is converted into ATP for uses during plant activities such
as phototropism. Which two plant systems are interacting in this scenario?
A:Transport and response.
B:Reproductive and transport.
C:Reproductive and response.
D:No plant systems are interacting.
The two systems in plants that are interacting when sugars are delivered to different parts and when plants respond to light would be transport and response.
Transportation and tropism in plantsSynthesized foods in the form of carbohydrates are transported from sources to sinks in plants through the phloem. This form parts of the material's transportation system in plants generally.
The transported foods are used to generate ATP during respiration. ATP is spent when plants respond to external stimuli such as water, light, objects, etc. Response to external stimuli in plants is known as tropism.
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During _____ bone segments move closer together, whereas during _____ bone segments move further apart.
Answer:
flexion, extension
Explanation:
flexion is the action that brings the two bones together, decreasing the angle between the bones whereas extension is the action that increases the angle between the two bones and moves bones further apart.
pls give brainliest
Occurs when the radicle of the seed becomes the root, and the hypocotyl becomes the stem and the leaves
Answer:
Monocots, such as corn (right), have one cotyledon, called the scutellum; it channels nutrition to the growing embryo. Both monocot and dicot embryos have a plumule that forms the leaves, a hypocotyl that forms the stem, and a radicle that forms the root.
4 easy biology questions !! please helppp!!! **attachments provided
ive reposted this so many times i just really need help for this pleaseeee
Answer:
1) [J] Sand dollar, 2) [G] Ants and grasshoppers, 3) [A], 4) [G]
Explanation:
Please don't be mad if I'm wrong on a few I'm in AP Environmental Science so I'm kind of keen on this stuff but still I'm trying to help!
Which three of the following are examples of adaptations for an animal that lives in a snowbound region? dense hair all over the body to protect from cold dark fur to camouflage from predators a thick layer of fat to insulate the body padded feet to walk through snow large ears to increase heat loss.
Answer:
dense hair all over the body to protect from cold, a thick layer of fat to insulate the body
Explanation:
They use these features to adapt to cold climate.
Answer:
dense haira
thick layer of fat
padded feet
Explanation:
During the early days of X-ray use for medical imaging. X-ray technicians developed cancer at a much higher rate than the general public.
Which argument BEST explains this trend?
A. X-ray exposure causes DNA bases to pair incorrectly which may led to cancer.
B. X-ray exposure causes double -stranded breaks in DNA which may lead to cancer.
C. X-ray exposure causes thymine dimer formation in DNA which may lead to cancer.
D. X-ray exposure causes DNA polymerase to make more mistakes which may lead to cancer.
PLEASE ANSWER IMMEDIATELY
X-ray exposure causes DNA polymerase to make more mistakes which may lead to cancer.
How X ray causes cancer?Ionizing radiation such as X ray is classified as a human carcinogen means that it can damage DNA and cause cancer disease.
If a person has an error in a DNA repair gene and mistakes remain uncorrected. Then, the mistakes leads to mutations. These mutations may eventually lead to cancer so we can conclude that X-ray exposure causes DNA polymerase to make more mistakes which may lead to cancer.
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Which two systems are most likely interacting when a person experiences itching caused by a skin irritant?
Answer:
circulatory and excretory
Explanation:
The two systems that are most likely to interact when a person feels itchy from a skin irritant are the nervous system and the immune system.
What is the physiological explanation of itching?
In general, itching is a signal sent by nerves from the skin to the brain after the immune system releases substances - such as histamine - in response to irritation.
With this information, we can conclude that the two systems that are most likely to interact when a person feels itchy from a skin irritant are the nervous system and the immune system.
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3. Which of the following is NOT an example of the principles of natural selection?
A. Doves lay several eggs each year, expecting that some will not survive.
B. Doves only lay one egg per year.
C. Wing structures increase reproductive success in doves.
A major environmental problem caused by using the agricultural practice of tilling is a compaction of soil from adding compost b intercropping by traditional farmers c eutrophication from excessive fertilizer use d ozone depletion from fossil fuel use
Compaction of soil is a major environmental problem caused by Tillage.
What is Tillage?Tillage refer to mechanical turning or manipulation of soil for the purpose of planting. it is done use tractors, harrow and plough.
Tillage lead to compaction of soil.
Compaction of soil occur when soil particles are pressed together or form clods which make it to have small pores or reduction of pore space thereby reducing infiltration of water and soil aeration.Therefore, Compaction of soil is a major environmental problem caused by Tillage.
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Definition of Homologous morphology?
Which of the following is true of coral? a. It is located in deep sea regions. B. It supports few species. C. It is composed of a single large and complex coral organism. D. It is composed of thousands of individual coral organisms. Please select the best answer from the choices provided A B C D.
Answer:
the answer is D
Explanation:
this is all I have
Blood Vessels Called _______ Carry Blood Toward the Heart, And _______ Carry Blood Away From the Heart.
What are some 5 examples of thallium?
Answer:
It exists in trace concentrations in the earth's crust. It is imported for use in electronics, low temperature thermometers, optical lenses, and counterfeit costly jewels. It is also used in some chemical reactions and medical operations.
Explanation:
how to transcribe mrna
Answer:
[tex]thats \: my \: answer \: brainliest \: pls[/tex]
How many single chromosomes are in a human zygote?.
Answer:
About 46
Explanation:
Does this help???
What is transpiration? Where does it occur in a plant?
Please help
Answer:
Transpiration means to perspire and is common within plants. This is loss of water vapor through leaves and/or stems.
Explanation:
Hope this helps!
Which is an example of natural selection in action?
Answer:
the third one
Explanation:
The definition for natural selection is "the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution. Compare with survival of the fittest (see survival)."
The third question shows us natural selection. Because the population of black mice went up and the tan mice went down. this is an example of natural selection because the black mice have adapted to their environment and reproduced while the tan mice have not.
Hope this helped :)
Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming? a. pollution began reflecting sunlight and heat rather than absorbing it. b. evidence of global warming became overwhelming. c. scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it. d. congress required scientists to assign a cause to global climate change. please select the best answer from the choices provided a b c d
A. pollution began reflecting sunlight and heat rather than absorbing it.
EVOLUTION QUESTION FOR PAST APES/AP BIO STUDENTS!!!
Answer:
Humans
Explanation:
Prosimians include the bush babies of Africa, the lemurs of Madagascar, and the lorises, pottos, and tarsiers of Southeast Asia. I belive that those are closer to humans than birds.
Answer: Humans
Explanation: Got it right
Who is in the same trophic level as the frog? Select all that apply.
Snake
FOX
Hawk
Owl
Bird
Frog
Rabbit
Grasshopper
Answer:
Rabbit
Explanation:
It feeds on one prey and itself is a prey to two other animals
Answer:
frog bird mouse rabbit
Explanation:
they all have one food source
The earliest fossil evidence of catarhines, including the dental formula 2.1.2.3, a fused frontal bone, and post-orbital closure dates to the
The fossil evidence provides a evolutionary relationship between the catarhines.
What are fossils?Fossils are remains of dead plants and animals that have been preserved from the past and which provides information about life in the past.
Catarhines are monkeys known as Old World anthropoids or Old World monkeys.
Catarhines includes:
gibbons,orangutans,gorillas,chimpanzees, andhumans.The fossil evidence provides a linkage between the catarhines.
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