Why are there fewer species of vertebrates than invertebrates?

What is an animal that lives by preying on other animals

What type of genetic drift would be simulated if all the beans that were not selected died out?

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids