If you contrast the salt and water balance adaptations of freshwater and saltwater fishes, you find that
A. freshwater fishes do not drink water.
B. saltwater fishes do drink water.
C. freshwater fishes actively transport salts into their bodies at the gills.
D. saltwater fishes actively transport salts out of their bodies at the gills.
E. All of the choices for this question are correct.
E. All of the choices for this question are correct.
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In plants, the microtubules organizing centers are comprised of microtubules
a. True b. False
The scientific approach known as ________ involves analysis at a simpler or more basic level of organization than the structure or function to be explained.
A) reductionism B) dualism C) atheism D) longism
Data collected to date indicate that
A) humans and marine mammals cannot be infected by the same pathogens. B) marine mammals do not get infectious diseases. C) new species of bacteria will not be discovered in wild animals. D) marine mammals don't have an immune system. E) None of the answers is correct.
We would use which of the following terms for a situation in which the derived trait has arisen recently and appears in only one of the two most related species or populations while the two most distantly related groups share the same trait?
a. homology c. homoplasy b. synapomorphy d. symplesiomorphy