Cells require glucose as a source of energy to carry out life processes. large molecules like glucose cross the cell's plasma membrane by a) being pumped through ion channels. b) active transport through protein channels. c) passive diffusion through the lipid bilayer. d) facilitated diffusion through protein channels.

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

What pattern of migration do whales follow?

Which event would lead to primary succession of a forest?