52. Ecosystems

Which of the following best describes the flow of energy through an ecosystem?

In an ecosystem, what percentage of energy captured by primary producers is typically lost as respiration?

In the context of energy flow through ecosystems, which of the following best explains why less than 0.1% of the energy from the sun ultimately reaches decomposers in a food chain?

Which of the following best describes the movement of energy in an ecosystem?

In an ecosystem, which organisms have the most energy available to them?

How does energy primarily move through an ecosystem?

A simple, single path of energy flow through an ecosystem is called a food:

How is energy transferred between trophic levels in a food chain?

Which of the following organisms in the soil food chain does not obtain energy directly from plants?

Which of the following statements is true about chemical nutrients in an ecosystem?

What is true about energy transfer in communities?

Which statement best explains the relationship between gross primary production (GPP), net primary production (NPP), and energy conversion in an ecosystem?

After gross primary productivity (GPP) in an ecosystem, how is energy primarily lost before it becomes available to consumers?

Which of the following best summarizes the flow of energy and cycling of chemicals in a terrestrial ecosystem?

The base of an energy pyramid is always composed of _______________.