It is believed that cetaceans evolved from:
a. a terrestrial mammal.
b. a pinniped.
c. fishes.
d. polychaetes.
e. dinosaurs.
A
Biology & Microbiology
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Myasthenia gravis is an example of an autoimmune disease that involves
A. sensitized T cells. B. cytotoxic T cells. C. antibodies. D. IgD.
Biology & Microbiology
A ____ is formed when a ____ is dissolved in a ____
a. solution; solute; solvent b. solute; solvent; solution c. solution; solvent; solute d. solvent; solution; solute e. solvent; solute; solution
Biology & Microbiology
Why is marine transportation of oil a big problem for the environment?
What will be an ideal response?
Biology & Microbiology
Only animals with sweat glands can take advantage of evaporative cooling
Indicate whether the statement is true or false
Biology & Microbiology