What character do yall peeps want my photo for my account

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

Give examples of selective advantage of organism’s body part/organ

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?