Of the following hominin species, which appears first in the fossil record?
A. Australopithecus afarensis D. Australopithecus garhi
B. Australopithecus africanus E. Paranthropus aethiopicus
C. Australopithecus anamensis
C
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Why is a reducing atmosphere conducive to the origin of life?
A. It is more favorable for the development of organic molecules. B. It is rich in free oxygen. C. It is devoid of organic molecules. D. It is very similar to today's atmosphere.
A mutant plant that does not exhibit phototropism is found. This plant has a mutation involving what
hormone? What will be an ideal response?
One of the long, branching filaments that collectively make up the mycelium of a fungus is called a(n)
A. conidium. B. ascospore. C. basidiospore. D. hypha. E. mycelium.
Which of the following correctly matches the placental abnormality to its definition?
A. Placenta Abruptio - The placenta separates partially or totally from the uterine wall. B. Placenta Accreta - The placenta covers the internal os of the uterus. C. Placenta Increta - The placenta grows through the endometrium. D. Placenta Percreta - The placenta grows through the endometrium and myometrium. E. Placenta Previa - The placenta grows through the endometrium, myometrium, and perimetrium.