If 10,000 kilocalories (kcal) of energy were contained in the primary producers (trophic level 1), on average how many kcal of energy would you expect to be transferred to second-order consumers (trophic level 3)?

A) 10,000 kcal
B) 1,000 kcal
C) 100 kcal
D) 10 kcal
E) 1 kcal


C

Environmental & Atmospheric Sciences

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Fill in the blank(s) with correct word

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A ___________________ would lead a large greenhouse gas emitter to reduce emissions by less.

A. flat charge B. higher pollution tax C. lower pollution tax D. pollution tax

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Species interactions help prevent any one population from becoming too large.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

A distinctive characteristic of prokaryotes is ________

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Environmental & Atmospheric Sciences