What is an example of the inefficient use rather than the waste of a catch?
a. Dolphins as a tuna bycatch
b. Overfishing of large fish.
c. Catching sharks for their fins only.
d. Drift net bycatch.
c
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What do the results of research on gravitropic responses of roots and stems show?
A) Different tissues have the same response to auxin. B) The effect of a plant hormone can depend on the tissue. C) Some responses of plants require no hormones at all. D) Light is required for the gravitropic response. E) Cytokinin can only function in the presence of auxin.
Which receptors would be involved in NaCl homeostasis?
a. photoreceptors b. chemoreceptors c. mechanoreceptors d. thermoreceptors e. osmoreceptors
There is considerable evidence that community structure is influenced by interactions between species
Indicate whether the statement is true or false
An embryo with meroblastic cleavage, extra-embryonic membranes, and a primitive streak must be that of
A) an insect. B) a fish. C) an amphibian. D) a bird. E) a sea urchin.