What is the significance of the intersection of the prey isocline and the predator isocline?
a. The two isoclines intersect at the point of equilibrium where neither populationchanges size
b. The two isoclines intersect at a point where one is increasing and the other isdecreasing.
c. The two isoclines intersect when both populations are decreasing.
d. The two isoclines intersect when both populations are increasing.
a
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Animals with a menstrual cycle do NOT
a. have an estrous cycle. b. develop endometriosis. c. display periods of sexual interest. d. produce estrogen. e. undergo menopause.
Axonal transport of proteins occurs along a track formed by _______.
a. microtubules b. neurofilaments c. anterograde cytoskeleton d. retrograde cytoskeleton
The _______ skeleton contains the bones of the skull, vertebrae, and ribs.
a. thoracic b. appendicular c. axial d. ossicle
Based on the fossil record, compared to the number of species alive today, the number that are extinct is ________, but there may be ________ now than at any time before
Fill in the blank(s) with the appropriate word(s).