Many cichlids can be similar in appearance. If species are identified by using information about diet and the water depth at which the fish swims, the _____________ species concept is being applied.
A) ecological species concept
B) phylogenetic species concept
C) morphological species concept
D) biological species concept
E) behavioral species concept
Ans: A) ecological species concept
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Four of the five answers listed below are related by a common gender. Select the exception
a. Barr body b. Y chromosome c. dosage compensation d. XIST gene e. X inactivation
The head end of an animal is known as its:a
posterior end. b. ventral end. c. inferior end. d. lateral end. e. anterior end.
An herbivore occupies the third trophic level
____________________ Indicate whether the statement is true or false.
Which of the following preventative measures is used to protect renal transplant patients from BK virus infection?
A. Injections of pooled human gamma globulin B. Prophylactic treatment with human leukocyte interferon C. Vaccination D. Prophylactic treatment with amantadine