What is the tonicity of the urine of marine mammals compared with another fluid?
a. hyperosmotic, compared with seawater
b. hypoosmotic, compared with seawater
c. isoosmotic, compared with their body fluids
d. hypoosmotic, compared with their body fluids
Ans: a. hyperosmotic, compared with seawater
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known as: a. coevolution. b. apomixis. c. self-pollination. d. mitosis. e. suckering
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Which group comprises a significant portion of phytoplankton and therefore is important to marine food webs?
A) Protozoa B) Slime molds C) Cyanobacteria D) Diatoms E) Euglenids