A large respiratory surface
a. results in a slow rate of gas exchange.
b. results in a faster rate of gas exchange.
c. has no effect on the rate of gas exchange.
d. is important to support the respiratory needs
of large animals.
e. results in a faster rate of gas exchange, and
is important to support the respiratory needs
of large animals.
E
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Another name for programmed cell death is
A) necrosis. B) perforation. C) apoptosis. D) cellular degradation.
Sponges are very interesting animals. Although they do not have true tissues, they have a number of cooperating cell types. How do these different cell types cooperate in obtaining nutrients for the sponge?
What will be an ideal response?
Ultrasound can be detected by bats because
they have ___ in their ears.
a. mechanoreceptors b. chemoreceptors c. thermoreceptors d. photoreceptors e. proprioreceptors
Fungi ________.
A. produce chlorophyll under aerobic conditions and are prokaryotes or eukaryotes, depending on the species B. produce chlorophyll under aerobic conditions C. are prokaryotes or eukaryotes, depending on the species D. are eukaryotic organisms