On Darwin's tree of life, organisms at the base of a branch:

A:Go extinct from environmental pressures
B:Give rise to species farther down the branch
C:Are less fit than species in the middle of the branch

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.