The sclera is indicated by
a. A.
b. B.
c. C.
d. D.
e. E
A
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Certain toxins cause muscle paralysis. If the diaphragm is paralyzed, the most immediate
consequence is that _______________.
a. all gas exchange will stop b. ventilation will not occur c. all diffusion will stop d. gas exchange will occur across the body
Fish and crustaceans are similar in that both use _____________ for gas exchange.
A. tracheal tubes B. gills C. the walls of the mantle cavity D. the moist surface of their skin E. lungs
The fluid-mosaic model considers the cellular membranes to consist of ________ layer(s) of phospholipid molecules and that the individual phospholipids are able to move about within the structure of the membrane.
A. 1 B. 2 C. 3 D. 4
Which is an example of a species with K-selected adaptations?
A. Bobcat B. Fruit fly C. Dandelion D. Herring