Question

what is the second principle of natural selection?
traits can be inherited or absorbed from the environment.
traits must be inheritable
traits adapt based on an organisms environment.
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Explanation:

The principles of natural selection include that traits must be heritable (so they can be passed to offspring). The first option is incorrect as traits aren't "absorbed" from environment in natural selection's heritability sense. The third is about adaptation outcome, not the second principle's focus on heritability. So the correct option is the one stating "Traits must be inheritable".

Answer:

The option with "Traits must be inheritable" (the middle option among the three checkboxes).