Most scientists agree on two point about earth's origins. what are they?

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

What is thought to have caused the mass extinction at the end of the cretaceous period?

Describe how alleles and genes are related