You expect to find the lowest overall blood pressure in

A. humans.
B. sparrows.
C. alligators.
D. ostrich.
E. salmon.


E. salmon.

Biology & Microbiology

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What happens as air cools?

a. It rises and releases moisture. b. It sinks and picks up moisture. c. It sinks and releases moisture. d. It rises and picks up moisture. e. It does none of these

Biology & Microbiology

Fleas are endoparasites.

Answer the following statement true (T) or false (F)

Biology & Microbiology

In CAM plants, such as cacti,

a. the stomata are open both day and night. b. the stomata are open during the day to let in carbon dioxide even though they cannot afford to lose the water. c. stomata are absent because water loss through them is too great. d. stomata open at night. e. guard cells are present but operate the reverse of the guard cells of non-CAM plants.

Biology & Microbiology

The cohesiveness between water molecules is due largely to:

a. ionic bonds. b. hydrogen bonds. c. polar covalent bonds. d. nonpolar covalent bonds. e. hydrophobic interactions.

Biology & Microbiology