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A plot of trophic diversity across the major groups of organisms shows highest trophic diversity amo
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Gorillas live in one-male or multimale groups, from which females emigrate at sexual materity.
These monolithic figures from Easter Island suggest the contemplative nature of philosophy, which ca
Drug elimination: half-life to steady state.
Life cycle of Dictyostelium discoideum, a cellular slime mold