A large-scale community of organisms most often defined by the flora and fauna that inhabit the area is referred to as what?
a. a biosphere
b. a biome
c. an ecosystem
d. a community
b. a biome
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The adhesion step in extravasation is most likely to be mediated by:
A. integrin proteins. B. cell wall proteins. C. collagen. D. keratin.
The process of denitrification involves the transformation of ________.
A. ammonia to organic matter nitrogen B. ammonia to nitrate C. nitrogen gas to ammonia D. nitrate to nitrogen gas
The adrenal glands consist of an inner adrenal --------and the outer adrenal--------.
Fill in the blank(s) with the appropriate word.
Plants called legumes have chambers in their roots that house nitrogen-fixing bacteria. Nitrogen-fixing bacteria get both a place to live and energy while supplying nitrogen to a plant. What is this ecological relationship called?
A) Competition B) Parasitism C) Succession D) Predation E) Mutualism