16. The genetic variation that leads to evolution can occur when genes from
one population are introduced into the gene pool of a different population. This
process is known as

A.mutation
B. crossing over
C. natural selection
D. gene flow

Answers

Answer 1
C. natural selection
Answer 2
I think it’s B because when genes are introduced to each other they go through a phase that’s known as recombination and DNA exchange paired with each other they swap when they cross over

Related Questions

The photo shows a plant that grows in a rain forest.

Which feature of the leaves is an adaptation for obtaining energy?

(i do not have a picture, sorry)

A. Their large size
B. Their pointed tips
C. Their unique shape
D. Their short height.

Answers

Answer:

A. Their large size

Explanation:

I majored in Biology

Answer:

The answer is A. here is proof. Plz mark brainliest.

Explanation:

I WILL MARK BRAINLIEST PLZ HELP !!

Which condition leads to a slower rate of weathering?
O porous rocks
O cold climates
O hard minerals
O high temperatures
( please explain as well )

Answers

Answer:

high temperatures

Explanation:

hope that helped. and I like your pfp

Answer:

hard minerals

Explanation:

rocks made from very strong minerals keep colder and resist longer to weathering than rocks with soft minerals

I think that's right bro goodluck

Х Flag A lake borders a housing subdivision and a golf course. Over time, algae in the lake begin to grow uncontrollably. Which is the most likely cause of the algal bloom? A runoff of topsoil from construction on the golf course B runoff of nitrates from fertilizers applied to the golf course runoff of gasoline from roads through the golf course D runoff of animal waste from pets walked on the golf course​

Answers

Answer:

B. runoff of nitrates from fertilizers applied to the golf course

Explanation:

Algal bloom is defined as the rapid growth of algae in freshwater or marine water. Algal bloom is green or yellowish in color that cover the top layer of water systems.

Algal bloom in the given case is caused by the excess of nutrients that is nitrates from fertilizers into waters and higher concentrations of nitrates causes uncontrollable growth of algae.

Algal blooms are harmful for environment as they may produce toxins and can block the sunlight from reaching the plants and animals in the water systems.

Hence, the correct answer is "B. runoff of nitrates from fertilizers applied to the golf course".

I have type "A" blood. Which of these can I NOT get blood from? (check all that apply)


A) B

B) A

C) AB

Answers

You cannot get blood from type B blood (A.). Type B blood has anti b antigens which would not work with type A blood.

Plz help me I dont know this

Answers

Answer:

Primary - 500

Secondary - 50

Teritary - 5

Traits are controlled by DNA through the order of its
A hydrogen bonds
B
nitrogen bases
c. deoxyribose sugars
D
phosphate backbone

Answers

The correct answer is c

Traits are controlled by deoxyribonucleic acid (DNA) through the order of its: c. deoxyribose sugars.

What is a trait?

A trait can be defined as a distinguishing quality or characteristic of a living organism. Thus, it refers to the specific features or characteristics that are possessed by a living organism.

Based on genetics, traits are essentially transferred from the parents of a living organism to their offspring, so as to distinguish him or her from others.

Furthermore, traits are controlled by deoxyribonucleic acid (DNA) through the order of its alternating deoxyribose sugars, make each species unique.

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How can heat produce more heat? Use information from the text to support your answer.

Answers

Heat is produced by matter. Matter is made up of atoms and molecules and energy causes the atoms and molecules to always be in motion. ... Molecules move slower in cold things and molecules move faster in hot things. The more molecules, more heat.

Information about biomedical scientist.

Answers

Conducts research to improve human health

What would you expect the difference to be in the rate of diffusion of vinegar (molecular weight about 60) compared to oxygen (molecular weight about 32)?

Answers

Answer:

Vinegar has slower rate of diffusion due to higher mass.

Explanation:

The rate of diffusion in vinegar is slower than oxygen because of the higher mass of vinegar. Vinegar has molecular weight about 60 while on the other hand, oxygen has molecular weight about 32 so vinegar has more weight than oxygen which causes slow diffusion of vinegar from one place to another as compared to oxygen whose rate of diffusion is higher due to its lower weight.

I need help ASAP! You get 20 points and I will vote you brainiest!

Answers

Answer: Rr and rr

(It won’t let me send with my explanation so I will try to put explanation in comments sorry)

Name three different types of this nucleic acid found in a cell ​

Answers

Answer:

RNA and DNA are the main ones, but mRNA and rRna are some, too

Explanation:

can i have brainliest please

Three different types of this nucleic acid that are found in a cell are transfer RNA (tRNA), messenger RNA (mRNA), and ribosomal RNA (rRNA).

2. What is the significance of Rachel Carson's Silent Spring?

Answers

Answer:

Rachel Carson's seminal 1962 book, Silent Spring, told the real-life story of how bird populations across the country were suffering as a result of the widespread application of the synthetic pesticide DDT (dichlorodiphenyltrichloroethane), which was being used widely to control mosquitoes and others insects.

is chemical reaction between limestone and acid in groundwater responsible for its formation

Answers

Answer: Geysers are water that comes out of the ground spurting into the air, wetlands are self-explanatory, while volcanoes are full of magma, not of acid and limestone.The upper layers of soil above the groundwater contains carbon and limestone. The water being combined with carbon becomes acidic which erodes limestone this results in formation of sinkholes and caves.

hope this helps have a nice night❤️

Explanation:

Which of these is a secondary crop?

A. Sugar
B. Latex
C. Wheat
D. Plums

Answers

Answer:

B I think. let me know if I'm right because I might be wrong.

Answer:

D. Plums

Explanation:

Just took the quiz

Please help me, I’m so tired.....

Answers

the answer is B hope it helps

Answer:

I believe its B

Explanation:

Which of the following best summarizes how hormone levels are controlled?

Hormones are controlled by a feedback loop; information about a system is sent back to the controller of the system to improve its function.
Hormones are controlled by oxygen levels; the internal environment maintains all systems, including endocrine functions.
Hormones are controlled by muscles; hormones are released when muscles contract and stopped when muscles relax.
Hormones are controlled by the nervous system; the spinal cord sends messages about hormone levels to the brain.

Answers

Answer:

The answer is A

I took the quiz and got it right

Answer:a

Explanation:

Why would reaching the center of the Earth be difficult? In your opinion, could we one day reach the center of the Earth? Explain why or why not.

Answers

Answer:

At the very center of the earth is the inner core, a 760-mile-wide ball of iron. Seismic studies show that it consists of iron crystals that are kept solid by tremendous pressure even though it is hotter than the surface of the Sun.

The strength of gravity at the center of earth is zero because there are equal amounts of matter in all directions, all exerting an equal gravitational pull. With such thick air, you eventually lose momentum and stop your yo-yo motion about the center of the earth. You would end up stuck floating at the center of the earth.

Explanation:

I majored in Biology

Which process provides plants with the glucose needed for cellular respiration? A digestion fermentation с photosynthesis D breathing​

Answers

Answer:

Photosynthesis

Explanation:

carbon dioxide +water ----> glucose + oxygen

Light and chlorophyll are needed for this to be done...

This is the word equation for photosynthesis

Which parent's X chromosome matches Calix's DNA?
Mother's
Father's
Both parents
Neither parents'

Answers

If Calix is a male, then the X chromosome is from the mother, but if Calix is a female, then the X chromosome is from both parents. Males can produce two types of gametes, such as X and Y.

What, exactly, is a chromosome?

There are two sets of chromosomes: autosomes, and the X ,Y chromosome. The autosomes are passed down to the male and female offspring from each parent. The other X and Y chromosomes are passed down differently. In the case of male offspring, there are both X and Y chromosomes. The X chromosome comes from the mother while the Y chromosome is from the father, but in the case of a female offspring, there are two X chromosomes. Each X chromosome comes from each parent.

Because males can produce two types of gametes, one with the X chromosome and one with the Y chromosome, the gender of offspring is determined by the gametes produced by the male. The female can produce only one type.

Hence, if Calix is a male, then the X chromosome is from the mother, but if Calix is a female, then the X chromosome is from both parents.

Learn more about the chromosome, here

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Answer: Both parents

Explanation:

the microarray has gene matches for all three X chromosomes; for the 2 X chromosomes from the mother and 1 from the father

A sparrow will build its nest under the nest of an osprey. The smaller birds get protection because other predators will not mess with the osprey. The osprey is unaffected.
What kind of symbiotic relationship do they have?
Mutualism, Commensalism, Parasitism.

Answers

Answer:

Commensalism

Explanation:

Long-term biological activity in which advantages are obtained by members of one species while those of the other species do not benefit or are harmed.

Answer:

commensalism

Explanation:

Natural selection relles on natural variations in organisms that make them more likely to
survive. Where do these natural variations come from?

Answers

The answer is most likely B because it makes the most sense.

They are programmed to hunt or be hunted. Predators are programmed to hunt while their prey is programmed to run. Animals are just born that way.

Which two factors will increase the rate of a stream’s flow?

Answers

Answer:

Flood Erosion and Deposition: As flood waters rise, the slope of the stream as it flows to its base level (e.g., the ocean or a lake) increases. Also, as stream depth increases, the hydraulic radius increases thereby making the stream more free flowing. Both of these factors lead to an increase in stream velocity.

Explanation:

Flood erosion and deposition, as flood waters rise, the stream's slope rises as it descends to its base level, which may be an ocean or a lake.

What is the stream’s flow?

Additionally, when stream depth rises, the hydraulic radius rises as well, increasing the stream's ability to flow freely, these two elements cause the stream velocity to rise.

The volume of water flowing into a stream channel from the watershed directly affects the stream's flow. The weather has an impact on it; it rises during downpours and falls during dry spells.

The force of gravity, which pushes water downhill, is what gives moving river water its energy. A river will flow more quickly and with greater energy at a higher slope.

Therefore, flood erosion and deposition factors will increase the rate of a stream’s flow.

Learn more about stream, here:

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Which organisms are in Kingdom Fungi?

protist and virus

diatoms and water molds

mushrooms and yeast

algae and bacteria

Answers

Ths answer would be C mushrooms and yeast.

Answer:

c

Explanation:

the anwaer u should put is c

Explain why scientirsts concluded that the instructions for species characteristics were carried in DNA.

Answers

Answer:

Explanation:

Deoxyribonucleic acid is said to contain instruction for species characteristics because it carries the information that characterize an individual.

DNA are made up of Nitrogenous bases that are unique codes specify by an individual and no two person has the same the DNA.

Genes are genetic information or instruction that specify an individual. it is located in the chromosome in the nucleus. DNA contains gene which helps to make molecules called proteins. It is the basis of all inheritance and the expression of the gene is what produces the phenotype that is visible.

Identify the choice that best completes the statement or answers the

question.

Maria gets a kit that lets you grow a mineral. The instructions say to

pour a packet of liquid into a small container and to place the

container in a sunny area. Maria follows the directions and when the

liquid evaporates, she observes tiny minerals that are left behind in

the container.

What is this process called?

Answers

Evaporation of the liquid

Thanks to anyone that can help
Much love and good luck <3

Answers

Answer:

Explanation:

A. Kidney

B. Ureters

C. Dialysis

Explanation:

FIRST - A

SECOND - D

THIRD -A

FOURTH - C

hope it helps u

2.
Which is not an aid used for locating minerals?

A. satellite imagery
B. core samples
C. aerial photography
D. spoil piles

Answers

Answer: Option B. core samples

Explanation: this is the only option that is not used for locating minerals

Which two types of organisms are found in the domain Eukarya?
A. Archaea
B. Animals
C. Bacteria
D. Protists

Answers

Answer:

d and b

Explanation:

I have done middle school science.

Answer:

D. B.

Explanation:

These two types of organisms are found in the domain Eukarya.

Hope this is correct, have a great day.

Vegetarianism is often cited as a partial solution to the growing problem of deforestation and other types of habitat destruction as the human population continues to grow. The reason for this is

A vegetarians are healthier due to a lack of animal fat in their diets

B more people can be fed using less agricultural land because vegetarians eat at a lower trophic level

vegetarians consume fewer calories per person and therefore require fewer acres of farmland

D vegetarian diets often recommend consuming large amounts of tree nuts as a source of protein, which preserves forest habitats

E vegetarians often support conservation efforts that promote forest conservation

Answers

Answer:

Option B. is correct

Explanation:

Vegetarianism is the practice of abstaining from by-products of animal slaughter and the consumption of meat. Vegetarianism is often cited as a partial solution to the growing problem of deforestation and other types of habitat destruction as the human population continues to grow. The reason for this is more people can be fed using less agricultural land because vegetarians eat at a lower trophic level.

Option B. is correct

Statement that explains why vegetarianism is been regarded as partial solution to the growing problem of deforestation as well as habitat destruction is B: more people can be fed using less agricultural land because vegetarians eat at a lower trophic level.

Deforestation can be regarded as a destruction of the forest and wildlife as a result of human activities, and with the increase in population of people it tends to be on increase.

However, vegetarianism can serve as a partial solution to this it will be easier to feed more people with small agricultural land which in turn reduce deforestation.

Therefore, option B is correct.

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5. Practice: Fill in the two processes that cause each of the following transitions.
A. Ocean -> Cloud
B. Cloud → Glacier

Answers

Answer:

Ocean to clouds:When warmed by the sun, water on the surface of oceans and freshwater bodies evaporates, forming a vapor. Water vapor rises into the atmosphere, where it condenses, forming clouds. It then falls back to the ground as precipitation. Moisture can also enter the atmosphere directly from ice or snow.

Cloud→ Glacier: The moisture then cools and condenses onto dust in the atmosphere to form clouds. Once in cloud form, this water will STAY in the atmosphere until it precipitates to the ground and collects in GLACIERS, LAKES, or OCEANS.

Answer:

A. Evaporation & Condensation

B. Precipitation & Freezing

Explanation:

A. From ocean to cloud --> The water on the surface of ocean must evaporate to form water vapor. Then the water vapor must rise to the atmosphere and condense to form clouds.

B. From cloud to glaciers --> The water in the cloud must precipitate to fall down to the ground as rain. Then the rain gets freezes to form glaciers.

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