1-Which of the following BEST describes the theory of natural selection? a-The g
ID: 8220 • Letter: 1
Question
1-Which of the following BEST describes the theory of natural selection?
a-The genetic make-up of a population gradually changes from one generation to the next.
c-Each species produces many more offspring than can survive long enough to reproduce. The offspring that do survive contain genes that are inherited from the parents.
d-There is variation among the members of a species. Some of this variation is genetically determined and so can be passed on to future generations.
e-Some individuals have genes that increase their chances for survival and reproduction. These individuals are more likely to reproduce and pass on their genes, causing their genes to become more common in the next generation.
f-There is a struggle for existence among the members of a population.
a-The genetic make-up of a population gradually changes from one generation to the next.
b-Living organisms change over time.
c-Each species produces many more offspring than can survive long enough to reproduce. The offspring that do survive contain genes that are inherited from the parents.
d-There is variation among the members of a species. Some of this variation is genetically determined and so can be passed on to future generations.
e-Some individuals have genes that increase their chances for survival and reproduction. These individuals are more likely to reproduce and pass on their genes, causing their genes to become more common in the next generation.
f-There is a struggle for existence among the members of a population.
Explanation / Answer
For 1,e is correct. Natural selection is basically competition - survival of the fittest. Based on which organisms die out and what lives will be a factor in what genes are more common in the gene pool so those genes will be passed onto the offspring of the organisms that survive. For 2, It's the ability to utilize energy. Take plants for instance, they produce their own energy via photosynthesis.
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