Energy Flow in Ecosystems

What is the primary source of energy for most ecosystems?

• The sun

• Plants

• Animals

• Decomposers

What process do plants use to convert sunlight into chemical energy?

• Photosynthesis

• Respiration

• Digestion

• Fermentation

In a food chain, what is each step called where energy is transferred from one organism to another?

• Trophic level

• Energy level

• Food web

• Energy chain

Which type of consumer eats both plants and animals?

• Omnivores

• Herbivores

• Carnivores

• Decomposers

What role do decomposers play in an ecosystem?

• They recycle energy by breaking down dead plants and animals.

• They produce energy through photosynthesis.

• They consume both plants and animals.

• They are the primary source of energy.