Curtis's contention that if the last blue whale
were to choke on the last panda bear and it still
would not be the end of the world was his way
of
a. stressing the improper attitude of some
environmental activists and to encourage
the drilling for oil in Alaska.
b. stressing the importance of some bacteria to
the biosphere.
c. encouraging the study of endangered
species.
d. shocking an audience into the study of
conservation biology.
e. doing none of these
B
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Which of the following are the hosts for most enveloped viruses?
A) Bacteria B) animals C) Archaea D) fungi
The disease pathogenesis seen in river blindness is caused by ________.
A. Wolbachia bacteria B. a blood fluke C. Onchocerca volvulus worms D. herpes simplex virus type 1 (HSV-1) E. Both Wolbachia and Onchocerca volvulus are correct.
A snail-like, coiled, porous test (shell) of calcium carbonate is characteristic of _____
A) diatoms B) foraminiferans C) ciliates D) water molds
Members of the order Hemiptera (true bugs) go through postembryonic development called incomplete metamorphosis. What are the stages of this process?
a. several instars of often wormlike larvae, followed by a stage where they are a sessile pupa, and then ending in an adult stage that is very different from the larval stages b. a series of nymph instars that lack functional wings, ending with an adult instar with functional wings c. a single, wingless nymph instar followed by several winged adult instars d. a series of young instars that become more and more like an adult, ending with a wingless adult instar