As a result of global warming,
A) forests are expanding in range.
B) there are greater extremes in weather patterns.
C) the ozone layer is becoming thicker.
D) species are becoming active later in the spring.
E) species' ranges are shifting toward the equator.
B
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A mechanism shared by both extracellular and intracellular digestion is
A. the ability to phagocytose food particles. B. a slow speed of digestion. C. the presence of a digestive cavity. D. the ability to consume both large and small food items.
An interaction in which one species benefits
and the second species is neither harmed nor benefited is a. mutualism. b. parasitism. c. commensalism. d. competition. e. predation.
Which of the following would you take into account if you wanted to define viruses?
a. Viruses are between the biotic and abiotic worlds. b. Viruses are able to live outside of a host organism. c. Viruses are able to synthesize their own proteins. d. Viruses are able to remain unchanged.
MMWR is a publication by the CDC that reports on only emerging diseases
Indicate whether the statement is true or false