Emperor penguins use a huddling behavior to conduct heat efficiently. Similarly, honeybees conduct heat within their hives by huddling together and then changing positions from the center of the huddle to the edges in order to keep heat circulating. When
it is warm, however, the bees transport water into their hives and then beat their wings in order to make ________ cooling possible.
A) conductive and convective
B) isotonic and convective
C) evaporative and convective
D) evaporative and conductive
Answer: C
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During morphogenesis
a. cells divide. b. cells grow. c. cells migrate. d. tissues fold over. e. all of these occur.
Gary and Stan are both about 6 ft tall and maintain a weight of 170 lb. Stan works at a desk and, for entertainment, watches a lot of movies. Gary also works at a desk and, for entertainment, plays on a soccer team
Who has a higher resting metabolism, and why? A) Because they are the same height and weight, their resting metabolisms are the same. B) Stan, because his fat cells burn more calories C) Gary, because his muscle cells burn more calories D) We need to know more about their dietary habits.
Habitat is best described as:
a. the local environment in which a species lives. b. what a species eats. c. what competes with a species. d. the abiotic components of a species' environment. e. the totality of adaptations by a species to its environment.
Answer the following questions true (T) or false (F)
1. Humans are the only hosts of Rickettsia rickettsii. 2. Because they are common soil saprobes, dermatophytes are fungi that are not contagious in humans. 3. Chromoblastomycosis is rarely a severe disease and can be treated easily with appropriate drugs.