Energy ____ in an ecosystem and nutrients ____.
A) is cycled continuously; flow one way
B) flows in all directions; flow one way
C) flows two ways; flow one way
D) is cycled continuously; are cycled continuously
E) flows one way; are cycled continuously
Correct Answer:
Verified
Q13: Which of the following are in
Q14: Q15: What is not consequence of the rise Q16: A network of interactions that involves the Q17: Gross primary productivity refers to the total Q19: Which of the following feed on organic Q20: _ food chains tend to predominate in Q21: Nitrification _. Q22: The largest annual movement of carbon between Q23: Choose the one most appropriate answer for
A) converts ammonium into nitrates
B)
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