In areas of the continental shelf where bottom currents are weak, the environment is considered to be
a. harsh.
b. always changing.
c. generally stable.
d. cyclically fluctuating.
e. low in species diversity.
C
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In animal skeletal muscles, red muscle fibers ____
a. have an abundance of myoglobin b. are mainly anaerobic c. have few mitochondria d. are good for short bursts of activity e. make ATP by lactate fermentation
Which of the following events is (are) related to the
origin of our solar system? a. explosions of dying stars b. formation of a dense cloud of dust and gas c. cooling of cosmic matter d. coalescing of cosmic matter influenced by gravity e. all of these
Mycorrhizae are nitrogen-fixing bacteria living within the roots of certain tropical trees
Indicate whether the statement is true or false
The enzyme associated with the influenza virus that hydrolyzes the protective mucous coating of the respiratory tract is
A. neuraminidase. B. kinase. C. reverse transcriptase. D. catalase. E. hyaluronidase.