Answer: Enzymes <u>b. increase</u> the rate of a specific chemical reaction.
Water <span>can cross the membrane in osmosis ....
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Answer:
antibodies bind to antigens on the infectious agent which are then destroyed by lymphocytes
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In the energy pyramid for any given ecosystem, the most energy available is at the bottom and the least energy available is at the top.
At the bottom of the energy pyramid are the producers (plants and other photosynthetic organisms). The first group of organisms that consume the producers are called the primary consumers (herbivores). The next group of consumers are the secondary consumers, and then the tertiary consumers and quaternary consumers.
Correct Answer: B
Explanation:
medulla oblongata......oks.......