Question

intro to natural selection
which best explains adaptations affecting species survival?
adaptations help organisms fit better in their environment.
adaptations only affect large animal species.
adaptations are randomly beneficial for all species.
all adaptations occur within a single generation.

Explanation:

Adaptations are traits that enhance an organism's ability to survive and reproduce in its environment. They are not limited to large animals (so the second option is wrong). Adaptations are not randomly beneficial for all species (as different species have different environmental demands, so the third option is wrong). Also, most adaptations occur over multiple generations through the process of natural selection (so the fourth option is wrong). The first option aligns with the definition of adaptations in the context of natural selection.

Answer:

Adaptations help organisms fit better in their environment.