Photosynthesis reduces the leaf's internal concentration of:
a. hydrogen.
b. carbon dioxide.
c. nitrogen.
d. oxygen.
e. sugars and starches.
B
Biology & Microbiology
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The Anura, Caudata, and Gymnophiona clades are all part of the ____ lineage
a. Testudines b. Archosauria c. Squamata d. Sphenodontida e. Amphibia
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In the brain and spinal cord, gray matter is composed of
a. nerve cell bodies. b. axons. c. dendrites d. ependymal cells. e. oligodendrocytes.
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During metaphase I, ________
A) crossing over occurs B) homologous chromosomes line up in the middle of the cell C) the nuclear envelope breaks up D) sister chromatids separate and migrate to opposite poles
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The tendency for plants to grow toward light is known as
A. thigmotropism. B. opportunism. C. phototropism. D. geotropism.
Biology & Microbiology