Which skeleton moves in response to muscular
contraction?
a. endoskeleton
b. exoskeleton
c. hydrostatic skeleton
d. all of these
e. none of these
D
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. The bacteria in the area around the NW Eifuku volcano can be described in which of the following ways?
a. heterotroph, apex predator b. photoautotroph, secondary consumer c. chemoautotroph, primary producer d. photoautotroph, primary producer
Based on new information from the Human Microbiome Project, the human body typically begins to be colonized by its normal biota
A. during puberty. B. during and immediately after birth. C. before birth, in utero. D. when a child first goes to school. E. when an infant gets its first infectious disease.
Which of the following rows correctly identifies the structures of a nerve cell?
A. Row 1
B. Row 2
C. Row 3
D. Row 4
Which of the following body parts is surrounded by a mucous membrane?
A. cavities of freely movable joints B. abdominal cavity C. heart D. ovaries E. tubes of the digestive system