The phenotype frequency in a population changes after each generation. which would most likely be causing this? apex

Organisms compete for shelter>apex

organisms compete for shelter is correct

C. Some traits give an advantage

Explanation:

Due to evolution,some organisms tend to undergo some gradual change of characteristics that is from simple life forms to more complex life forms due to the adaptation of the organisms to the environment.These adaptations are passed  to offsprings from their parents and only the organism with beneficial characteristics survive hence there is differing in phenotype frequency.

c

Explanation:

competition between organisms

Explanation:

apex

D) Competition between organisms

Explanation:

Random mating between organisms, absence of any factor of evolution (mutation, recombination, gene flow, migration etc.) and a large population size serve to maintain the allele frequency and thereby the phenotype frequency over generations. However, competition between organisms for any natural resource leads to natural selection of "better competing organisms" and increases their phenotype frequency in the population.

D. Competition between organisms

Explanation:

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Organisms compete for shelter  

Explanation:

Just took the test and answered this

Could be because of natural selection(favoring a particular phenotype over the rest) or maybe genetic drift or gene flow.