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Fiesta28 [93]
3 years ago
5

Fish lay a large number of eggs, few of which are fertilized and very few of which hatch into young ones. Still fewer live to ma

turity and very few of these are fertile. Which principles of evolution are represented in this example?
A. Descent with modification and evolution
B. Struggle for existence and survival of the fittest
C. Adaptation and artificial selection
Biology
2 answers:
Darina [25.2K]3 years ago
6 0
<span>Descent with modification and evolution</span>
SpyIntel [72]3 years ago
5 0

Answer:

Option B, Struggle for existence and survival of the fittest

Explanation:

According to the Darwin’s theory of natural selection species which adapts themselves to the changing environmental condition in order to become efficient enough to survive and reproduce are termed as the “fittest” and thus he further stated that it is the “fittest” species which is able to survive.  

Option B also outlines the same concept and thus it is correct choice.

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Explanation:

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2 years ago
n garden peas, the allele for tall plants is dominant over the allele for short plants. Suppose that a true-breeding tall plant
muminat

Answer:

25% of the heterozygous cross are short, and the offspring of a homozygous dominant and homozygous recessive pea plant will always display the dominant trait (phenotype), because they are heterozygous.

Explanation:

In this explanation, I'm assuming that the allele "T" for tall plants is dominant to the allele "t" for short plants, like in Gregor Mendel's pea plant experiment.

A homozygous tall pea plant will have the genotype "TT" and a homozygous short plant will have the genotype "tt" because homozygous means that both alleles are identical. Since "T" is dominant over "t", any plant with at least one "T" allele will be tall (the dominant trait), regardless of what the other allele is. Let's look at a Punnett square for this cross:

Explanation:

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3 years ago
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Answer:

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Explanation:

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2 years ago
I'll give you a brainliest if is right or at least shows some effort
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Answer:

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Explanation:

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