Energy in Ecosystems #1 Review

What is the source of most energy on Earth?

• Air

• Soil

• The Sun

• Water

Which is a biotic factor in an ecosystem?

• A plant living near a stream

• The amount of rainfall

• The angle of the Sun

• They types of minerals present in the soil

Study the energy pyramid. Which organism might you find at trophic level 1?

• fox

• frog

• grass

• grasshopper

Which best represents a food chain?

• Sun - rabbit - fox - grass

• Sun - grass - rabbit - fox

• Fox - grass - rabbit - Sun

• Grass - rabbit - fox - Sun

A person who ate a salad made of lettuce, tomatoes, cheese and ham is a(n)

• carnivore

• detritivore

• herbivore

• omnivore

Look at the food web. What type of consumer is the shrimp?

• detritivore

• carnivore

• omnivore

• herbivore

Look at the diagram. What type of consumer are the ducks?

• detritivore

• carnivore

• omnivore

• herbivore

Look at the diagram. What type of consumer are the raccoons?

• detritivore

• carnivore

• omnivore

• herbivore

What process is shown in the picture?

• cell respiration

• decomposition

• nitrogen fixation

• photosynthesis

What organisms help break down dead leaves in an ecosystem?

• decomposers

• carnivores

• omnivores

• herbivores