AP Biology: Unit 8: Ecology

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Question 8 · Unit 8: Ecology · foundation

A food chain transfers 10% of the energy at each trophic level to the next. If producers contain 20,000 kJ, how much reaches secondary consumers?A. 20 kJB. 200 kJC. 2,000 kJD. 18,000 kJ

Question 16 · Unit 8: Ecology · challenge

A population follows the logistic model dN/dt = rN(1 - N/K), with r > 0 and K > 0. For 0 <= N <= K, at what population size is its instantaneous growth rate greatest?A. 0B. K/4C. K/2D. K

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