Multiple ChoiceWhat is the term for each step in the transfer of energy and matter within a biological community?52views
Multiple ChoiceWithin an ecosystem, the gross primary productivity (GPP) is always greater than the net primary productivity (NPP). Which of the following correctly fills in the blanks: "Within an ecosystem, the _____ is always greater than the _____"?73views
Multiple ChoiceWhy do quaternary consumers typically occupy the top position in the pyramid of energy within an ecosystem?56views
Multiple ChoiceIn a typical food pyramid, what percentage of the original solar energy is available to a blackberry plant (a primary producer)?46views
Multiple ChoiceWhich of the following is NOT true concerning the flow of energy through an ecosystem?69views
Multiple ChoiceIn the process of obtaining energy, what do decomposers leave behind in ecosystems?537views
Multiple ChoiceWhy is less energy available to organisms at higher trophic levels in an ecosystem?166views
Multiple ChoiceHow do food chains and food webs illustrate the transfer of energy between organisms in an ecosystem?508views
Multiple ChoiceIn the context of energy flow through ecosystems, approximately how much energy is transferred from one trophic level to the next higher trophic level?87views
Multiple ChoiceWhich of the following best describes the amount of matter that cycles through a food web in an ecosystem?105views