Multiple ChoiceWhich of the following organisms in the soil food chain does not obtain energy directly from plants?262views
Multiple ChoiceWhich of the following statements is true about chemical nutrients in an ecosystem?72views
Multiple ChoiceWhich statement best explains the relationship between gross primary production (GPP), net primary production (NPP), and energy conversion in an ecosystem?99views
Multiple ChoiceAfter gross primary productivity (GPP) in an ecosystem, how is energy primarily lost before it becomes available to consumers?68views
Multiple ChoiceWhich of the following best summarizes the flow of energy and cycling of chemicals in a terrestrial ecosystem?74views
Multiple ChoiceWhich of the following best describes the direction of energy flow through an ecosystem?71views
Multiple ChoiceWhich statement best explains energy transfer in a food chain within an ecosystem?71views
Multiple ChoiceWhich of the following best describes the direction of energy flow through an ecosystem?17views
Multiple ChoiceWhy is the transfer of energy in a food chain usually only about 10 percent efficient?89views