How does the opening and closing of the stomata help the plant? * A. It aids in releasing turgor pressure from the guard cells.
B. It helps maintain the water pressure within the stroma.
C. It helps to regulate the amount of oxygen that enters the plant.
D. It helps the plants maintain homeostasis by regulating the amount of water the plant loses during transpiration.

Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food

Birds, bats and humans all have a vertebral column. a) if you group birds, bats and humans in one clade and leave out other apes and mammals, what type of group would they form (monophyletic, paraphyletic, polyphyletic)? explain b) what do we call a trait like presence of vertebral column within bats, birds and humans (synapomorphy (shared derived trait), symplesiomorphy (shared ancestral trait), homoplasy)? explain. c) what other organisms would you have to include in this clade in order to have a monophyletic group?

Which term refers to the process by which volcanoes release carbon dioxide? a. sinking b. eruptions c. outgassing d. condensation