Which of the following is true about the efficiency of energy transfer in an ecosystem?
a. the more energy the organism requires, the more efficient the energy transfer.
b. all energy transfers have the same efficiencies.
c. the less energy the organism requires, the more efficient the energy transfer.
d. the most efficient energy transfers are in large, warm-blooded animals.

Which of the following typically characterizes a tropical rainforests

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

What is the next step in the process after a substrate enters the active site of an enzyme