Which of these statements is best illustrated by this diagram?
A. Animals under water eat plants.
B. Land animals exhale oxygen into water.
C. Water-dwelling animals breathe carbon
dioxide.
D. Plants can take in carbon dioxide from air
or water

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species