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3 years ago

What is natural selections role in evolution

1 answer:

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Explanation: The basic idea of biological evolution is that populations and species of organisms change over time. ... Darwin also suggested a mechanism for evolution: natural selection, in which heritable traits that help organisms survive and reproduce become more common in a population over time.

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In garden peas, tall (T) vine is dominant over short (t) vine, and round pea pod (R) is dominant over wrinkled pea pod (r). Cro

Aleksandr [31]

Answer:

Explanation:

Given:

Traits

T (tall, dominant) and t (short)

R (round, dominant) and r (wrinkle)

Crossing parents

hetero-zygous. tall wrinkled (Ttrr)

phenotype tall is given hetero-zygous., so Tt

phenotype wrinkled is recessive, so must be homo-zygous rr

Foiled genotypes (Tr, tr, each with 50%)

short hetero-zygous. round (ttRr)

phenotype short is recessive, so homo-zygous rr

phenotype round is given heteroz. so Rr

Foiled genotypes (tR, tr, each with 50%)

Offsprings on a 4x4 punnett square

See diagram

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2 years ago

How might a carbon atom from a orange peel in a trash can for a week, end up in an animal's lungs? (Think of how during cellular

defon

Answer:

An orange peel in a trash will start to decompose.

The carbon atoms will be released into the air as a result of decomposition.

These carbon atoms will be converted into carbon dioxide in the atmosphere.

Plants will take in this carbon dioxide for making food by the process of photosynthesis.

When animals will consume the pants, the carbon products will be accumulated int he body of the animals. Some of the carbon will be converted into carbon dioxide in the animals and will pass out of the animal's body through respiration.

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2 years ago

Who can help me with thjs

Inga [223]

Don’t click on that link it’s fake... this is the answer

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2 years ago

Explain the possible affects a mutation could have on an organism and its future offspring if the mutation were to occur in a bo

nika2105 [10]

A mutation can cause the organism to look different and function differently also.

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2 years ago

True or False:

Oduvanchick [21]

True. such as with pesticides, they are used to reduce harmful insects to crops but they often re harmful to the health of people consuming those crops

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3 years ago