Question

Which is a requirement for natural selection to occur?
heritable variations for some traits
the ability of an organism to improve a trait during its lifetime
equal probability of survival for all offspring
fewer offspring than the environment can support

Answers

Answered by GPT-4o mini
The correct requirement for natural selection to occur is **heritable variations for some traits**.

Natural selection operates on the principle that individuals with traits that provide a survival or reproductive advantage are more likely to pass those traits on to the next generation. For this process to happen, there must be variations in traits among individuals that can be inherited by their offspring. The other options are not requirements for natural selection.
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