If the pattern seen in Daphnia is representative of other species that combine both sexual and asexual reproduction, we would expect asexual reproduction to be most common:
A. when environmental conditions are
favorable.
B. when environmental conditions are
unfavorable.
C. in the summer.
D. in the winter.
E. in the fall.
A
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Indicate whether the statement is true or false.
The depth distribution of algae is limited by:
a. temperature. b. pressure. c. pH. d. light quality. e. salinity.
The urine of marine mammals is ____ when compared to ____
a. hypoosmotic; seawater b. hypoosmotic; their body fluids c. hyperosmotic; seawater d. isoosmotic; their body fluids e. isoosmotic; seawater
The photoreceptors of the eye are located in the
A. retina. B. sclera. C. organ of Corti. D. choroid layer. E. optic nerve.