The bright coloration of male birds is often the result of what?
(A) gene flow.
(B) genetic drift.
(C) sexual selection.
(D) stabilizing selection.
(E) coevolution.
Ans: (C) sexual selection.
You might also like to view...
When acetylcholine stimulates the opening of ligand-gated ion channels on a postsynaptic cell, what is this event called?
A. neuromuscular junction B. temporal summation C. inhibitory postsynaptic potential (IPSP) D. excitatory postsynaptic potential (EPSP) E. synaptic integration
Sewage treatment is a way to prevent raw sewage causing
a. oil spills. b. oligotrophy. c. eutrophication. d. global warming. e. coastal erosion.
The yield of ATP per glucose in fermentation
is
a. 2 b. 6 c. 12 d. 36 e. 40
The pleasurable effects of cigarette smoking are due to an increase in the release of the neurotransmitter ________
Fill in the blank(s) with correct word