19. When NPP (net primary productivity) is positive (there is some GPP remaining after respiration) what is the excess energy used for?
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The term used to describe a disease-causing microorganism isa. virus.b. infection.c. pathogen.d. microbe.e. bacterium.

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?