An energy pyramid illustrates ____
a. the first law of thermodynamics
b. the diminishing of usable energy as it is transferred through an ecosystem
c. that energy can be recycled
d. the biological magnification of materials in an ecosystem
e. the diminishing number of organisms at each trophic level
ANSWER: b
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a. true b. false
What was the most significant conclusion of Griffith's experiments with pneumonia in mice?
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