A human’s body is approximately _____ percent water
a. 10
b. 50
c. 65
d. 90
C
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Which event will help move elements into, out of and between environmental reservoirs? a. Earthquakes b. Erosion c. All of these choices
d. Volcanic eruptions e. Uplifting
What is the ultimate fate of the heat energy
released when chemical bonds are broken?
a. it is used to do metabolic work b. it diffuses out of the ecosystem c. it is recycled and reused d. it is captured by other organisms further down in the food chain e. it is used to heat animal bodies
Genetic drift is associated with
A. asexually reproducing populations. B. the size of the population. C. increased genetic diversity in a population. D. All of the choices are correct.
Clownfish and sea anemones live together each benefiting the other. The clownfish protects the sea anemone from predators and the sea anemone provides food and protection for the clownfish. This relationship is called
a) commensalism b) predation c) parasitism d) mutualism