Energy Flow through Ecosystems

These flashcards cover key concepts related to energy flow through ecosystems, including the roles of producers and consumers, the processes of photosynthesis and respiration, as well as food chains and trophic levels.

All energy on Earth comes from __.

the Sun.

Producers are also called __.

autotrophs.

Consumers are also called __.

heterotrophs.

The process by which producers capture energy from the Sun to make simple sugars is called __.

photosynthesis.

An example of a producer is __.

Plants.

Consumers obtain energy by __ other organisms.

eating.

The process by which organisms break down macromolecules to release ATP is called __.

cellular respiration.

The primary consumers eat only __.

vegetation.

The rule of 10 states that the next organism in a food chain receives __ percent of the energy from the previous level.

10.

Food chains show the flow of energy and the __ levels in an ecosystem.

trophic.

Trophic pyramids represent how energy flows through an __.

ecosystem.

The three types of trophic pyramids are energy pyramid, numbers pyramid, and __ pyramid.

biomass.

As you go up the trophic pyramid, the available energy __.

decreases.

An example of a tertiary consumer is __.

an owl.