What is a characteristic of color vision?
a. It is limited to vertebrates.
b. It depends on blue, green, and red cones in primates.
c. It is the result of different concentrations of the photopigment rhodopsin.
d. It results from special photoreceptors located within the optic nerve.
e. It depends on four types of cones in mammals other than primates.
b
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The fastest way for organisms to adapt to a changing environment involves _____
A) mutation B) asexual reproduction C) sexual reproduction
The phylum of organisms most closely linked to the evolution of land plants is the
(a) Chlorophyta. (b) Charophyta. (c) Phaeophyta. (d) Euglenozoa.
An agent that increases mutation rate is a ____
Fill in the blank with the appropriate word.
A(n) ______ is a set of signs and symptoms that define a particular disease
Fill in the blank(s) with the appropriate word(s).