Is a group of species that includes an ancestral species and all of its descendants?

What are the steps of how energy is transformed in plant cells?

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 are genotypes? what are phenotypes?