Feb 28 for a grade

What would happen to the bird if the green fish died out?

• the bird population would grow

• the bird population would die out

• the smaller fish will die out

What is the bottom layer of the an energy pyramid?

• producer

• tertiary consumer

• Secondary consumer

• primary consumer

the top layer of an energy pyramid a primary consumer?

• true

• false

What does an energy pyramid show?

• Energy flow in a community

• Longest lifespans

• The stronger animal the higher it is on the pyramid

What would happen if their were no producers?

• Every population would grow larger

• Everything would die out

• The animals would make their own food

What do the arrows represent in this diagram?

• who is being eaten
• the flow of energy
• the decomposition of organisms
• what things can change into

A living organism that puts materials from dead  plants and animals back to the soil is called a ____________?

• carnivore
• decomposer
• herbivore
• omnivore

The process of using sunlight, carbon dioxide, and water to make sugar and oxygen is called _________?

• chlorophyll
• evaporation
• photosynthesis
• transportation

From where do producers get their energy?

• the ground
• other animals
• decomposers
• the sun

Which are decomposers?

• humans
• trees
• red wolves
• worms