Energy in an Ecosystem

Most of the energy on Earth comes directly from:

• the sun

• producers

• decomposers

• the earth's core

a herbivore eats:

• plants

• animals

• both plants and animals

• detritus

an omnivore eats:

• plants

• animals

• both plants and animals

• detritus

An ecosystem consists of:

• all of the living and non-living things in an area

• all of the living things in an area

• all of the non-living things in an area

• everything but the decomposers

Plants get their mass primarily from:

• The CO2 in the air

• The Soil

• Water

• The Sun

Matter is unable to be recycled in an ecosystem. It is most likely missing:

• consumers

• producers

• herbivores

• decomposers

Ecosystems are founded on which group of species?

• producers

• consumers

Which of the following is a nutrient?

• an owl

• a leaf

• nitrogen

• a mouse

Dead organic matter can also be called:

• dirt

• soil

• detritus

• gravel

Which of these is the carnivore?

• Grass

• Antelope

• Lion

• Dung Beetle