Which process propels the food down the esophagus into the stomach?
a. glycolysis
b. plasmolysis
c. emulsion
d. peristalsis
e. segmentation
D
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The diapsids diverged into the lepidosaurs and the archosaurs. From which of these groups did the snakes arise?
a. archosaurs b. neither of these groups c. lepidosaurs d. There are species of snakes from both of these groups.
Define sensory adaptation
What will be an ideal response?
States of consciousness are controlled by the
a. reticular formation. b. medulla. c. cerebellum. d. cerebral cortex. e. hypothalamus.
Which statement is least consistent with the beliefs of Lamarck?
A. “Fluida” moves into areas of the body in need of change. B. Acquired characteristics are inherited. C. Giraffes’ necks have become longer in response to stretching. D. Environmental pressures bring about changes in organisms. E. Changes in an individual are not passed to its offspring.