Answer: A. Environmental drivers plus genetic variation in the population result in natural selection
Explanation: over geological time environmental conditions change. Organisms do not survive in one environmental niche with traits adapted to a possible future change that might suit those traits. Adaptation is not a matter of choice: adapt if possible or go extinct.
There is a (badly named) concept called pre-adaptation, which is that variations in some existing trait render adaptation to a different environment more likely.
The three correct choices are A, C and D
Boa constrictor is a specie of snake that eats sloths and coatis. Sloth and Coatis are primary consumers that eat strangler figs. If the boa constrictor are removed from the rain forest then the number of sloths and coatis in the forest would increase ans as their number will increase they will start consuming the strangler figs and their amount would decrease.
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