Consider the energy budgets for a human, an elephant, a penguin, a mouse, and a snake. The _____ would have the highest total annual energy expenditure, and the _____ would have the highest energy expenditure per unit mass
A) elephant; mouse
B) elephant; human
C) human; penguin
D) mouse; snake
A
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Mutations in which of the following are most likely to lead to cancer?
a. genes that control the cell cycle b. genes that code for muscle proteins c. genes that code for nerve cells d. genes that control for eye color
Atmospheric carbon dioxide concentrations in a forest are greater during the day than during the night
Indicate whether the statement is true or false
An arthropod with chelicerae, pedipalps, and silk glands would be:
A. a scorpion. B. a tick. C. a mite. D. a spider. E. a barnacle
Hans Selye defined stress as
A. environmental factors that result in anxiety B. the physiological reaction of the body to environmental factors C. a negative emotion resulting from environmental unpleasantness D. the nonspecific response of the body to any demand made on it