Integumentary exchange of gases implies that the animal ____
a. has a shell
b. has a tracheal system
c. lives in a moist location
d. has a siphon
e. lives in an arid location
ANSWER: c
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An open space within the gastrula is the _____
A) ectoderm B) mesoderm C) archenteron D) endoderm E) neural crest cells
If a physician wanted to collect spinal fluid for analysis s/he would want to place a needle:a
between the dura mater and skull. b. between the dura mater and pia mater. c. between the arachnoid and pia mater. d. between the pia mater and brain. e. between the dura mater and arachnoid.
During embryonic development, the skeleton is initially made of ________, which is later replaced by bone
Fill in the blank(s) with correct word
Which of these cell parts is NOT paired correctly with its function?
A. Nucleus—control center B. Ribosome— site is protein synthesis C. Mitochondrion— site of photosynthesis D. Plasma Membrane— regulation of what passes in and out of cell