Demographics include __________ and __________
structure, such as the size of the __________ base. Fill in the blank(s) with the appropriate word(s).
Answer: population size; age; reproductive
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Similar gill pouches in embryos of a chick, human, and cat are an example of _____
A) structural homology B) developmental homology C) genetic homology D) the inheritance of acquired characters
How can receptor density be estimated in human subjects?
a. bone scan b. EEG c. two-point discrimination test d. punch biopsy
At low population density, __________ is favored, quickly producing as many offspring as possible. Fill in the blank(s) with the appropriate word(s)
During the recovery period between action potentials,
a. the threshold value is increased. b. the threshold value is reduced. c. the sodium gates are shut and the potassium gates are opened. d. both the sodium and the potassium gates are shut. e. the nerve is said to be at the resting potential.