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Bumek [7]
3 years ago
5

Natural selection is a common mechanism for proposing how evolution occurs. Which statements describe how natural selection work

s over time in a population within an ecosystem? Select ALL that apply.
A) The fitness of the population increases over time as individuals are impacted by natural selection.
B) The population's fitness decreases when traits that are poorly adapted become more common over time.
C) The fitness of the population remains the same over time but the individuals evolve to become better adapted.
D) Advantageous traits become more prevalent in the population, but may not be found in every member of the population.
E) The fitness of the population stays the same over time as the population size remains constant at its carrying capaci
Biology
1 answer:
Morgarella [4.7K]3 years ago
3 0

Answer:

A&D

Explanation:

Just got the answer on usatestprep

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Name the following phases of the cell cycle. Note: The pictures are in no particular order.
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Answer:

Explanation:

  1. Anaphase
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Life as we know it depends on the genetic code: a set of codons, each made up of three bases in a DNA sequence and corresponding
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The right answer is 5.

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We have 17 amino acids, each of which must have at least one unique code (having two nucleotides A and T) .

it is enough to apply this time to count the number of possible codons to be generated according to the number of nucleotides:

nucleotide set ^ number of nucleotides = number of codons .

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2 ^ 2 = 4 (<17)

2 ^ 3 = 8 (<17)

2 ^ 4 = 16 (<17)

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So, each amino acid has a codon of 5 nucleotides.

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Thus, the correct answer is option (D).

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