CDB 1 Review 24-25

Where do secondary consumers get their energy from?

Which trophic level has the most energy?

Constant source of energy.

Arrows in a food chain or food web show

This organisms is a passageway for energy into the food web.

Matter such as carbon, hydrogen, nitrogen, hydrogen, sulfur and phosphorus get recycled back into the soil as nutrients for plants.

In the energy pyramid below, which organism has the least amount of energy available?

In the energy pyramid below, which organism has the most amount of energy available?

Energy flows as a one way trip through a food chain getting released as heat.

At each trophic level, the organism uses about 90% of its energy to grow and function while only 10% of energy is transferred to the next level.