Arrow “B” points to a structure that
a. is one of the four exclusive features of
chordates.
b. extends anteriorly into the head region.
c. provides support for muscle contraction.
d. is replaced in adult vertebrates by the vertebral
column.
e. includes all of these.
Answer: e
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chemicals, the coastal snakes responded by ____ while the inland snakes ____.
a. attacking; fled b. tongue-flicking; did not tongue-flick c. feeding; did not feed d. avoiding the stimuli; tongue-flicked e. ignoring the stimuli; performed threat displays
Excess proteins are converted directly to
a. glucose. b. fatty acids. c. ammonia. d. amino acids. e. glycogen.
The hormone leptin is produced in ____________________ cells. Fill in the blank(s) with the appropriate word(s)
The Apicomplexa are named for their apical complexes which allow them to
A) be motile by means of multiple flagella. B) penetrate the cytoplasmic membranes of host cells. C) undergo schizogony. D) carry out photosynthesis. E) attach to surfaces.