Plants use ________ and ________ wavelengths of light and reflect the ________ wavelength.
A. green, blue, red
B. white, green, blue
C. red, blue, green
D. white, green, red
E. green, red, blue
Answer: C
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Which of the following is true of protein-based plant chemical defenses?
A. Plants and animals use the same 20 amino acids to construct proteins, but some plants have additional amino acids. B. Plants use the additional amino acids in their proteins, but animals that ingest them cannot. C. Insect herbivores that consume nonprotein amino acids grow more quickly and live longer. D. Plants can produce protease inhibitors, which bind to the active site of enzymes that break down proteins and enhance their activity. E. Insects that feed on plants with protease inhibitors have increased growth rates.
The nervous system is to the ectoderm as the skeleton is to the
A. allantois. B. chorion. C. endoderm. D. blastula. E. mesoderm.
Physical methods of microbial control include heat, cold, radiation, drying, and filtration.
a. true b. false
“Chlorochromatium aggregatum” is a symbiosis between a green sulfur bacterium and a
a. purple sulfur bacterium. b. betaproteobacterium. c. plant. d. fungus.