52. Ecosystems

Energy in most ecosystems must flow through autotrophs because ______.

Which organisms are considered the most important transformers of energy in ecosystems?

In the context of energy flow through ecosystems, what role do decomposers primarily play?

Which of the following sequences best represents the flow of energy through living systems?

In the context of energy flow through ecosystems, what percentage of energy is typically transferred from one trophic level to the next?

Why are producers (autotrophs) so important to an ecosystem’s energy flow?

In the context of energy flow through ecosystems, which statement best describes how decomposers interact with their ecosystem?

An ecological pyramid can depict the flow of which of the following between successive trophic levels?

In the context of energy flow through ecosystems, why are producers an essential component of an ecosystem?

From the producer level, to which trophic level does energy flow directly in an ecosystem?

What is the first step in energy flow through an ecosystem?

Which of the following statements is true about the energy flow in an ecosystem?

In the context of energy flow through ecosystems, what is the primary role of producers?

In the context of energy flow through ecosystems, what is the primary role of nutrients?

In the context of energy flow through ecosystems, which description best defines producers?