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.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Why is carbon the backbone of liveing things

Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. which of the following tasks does she perform? a. reporting results of scientific analysis b. interviewing suspects c. questioning witnesses d. preparing victims for burial