A fish circulatory system is indicated by the letter (s) ____
a. A only
b. B only
c. C only
d. both A and B
e. both B and C
ANSWER: a
Biology & Microbiology
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The odontophore of molluscs is part of the:
a. digestive system. b. nervous system. c. excretory system. d. defense system. e. reproductive system.
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Ependymal cells are a type of macrophage
____________________ Indicate whether the statement is true or false.
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The effect of resource availability on population size ultimately determines ____.
A. the carrying capacity of the environment B. exponential growth C. the doubling time of a population D. the population’s biotic potential E. the loss of species in an ecosystem
Biology & Microbiology
Which of the following types of media is not selective?
A) m-Staphylococcus Broth B) Blood Agar C) Mannitol Salt Agar
Biology & Microbiology