Food Chains and Food Webs

What is the original source of all energy?

• The Sun
• Decomposers
• Food
• Meat

Which answer defines a food chain?

• Shows how much we eat
• Shows which elements are biotic
• Displays the flow of energy
• Decomposers eat meat

Herbivores mainly eat...

• The Sun
• Plants
• Animals
• Plants and Animals

Decomposers help to...

• Create music
• Find food
• Break down decaying matter
• The Sun

A(n) ___ is all the living organisms that live in an area and all the nonliving features of their environment. 

• Ecosystem
• Habitat 
• Population 
• Biome 

Biotic factors are the __________ factors in an environment.

• Living 
• Nonliving 
• Dead
• Competing 

What does the picture show?

• A Food Web
• An Ecosystem
• A Food Chain
• A nice scenery

How many primary producers are in this food web?

• 0
• 1
• 2
• 3

Why are bacteria, fungi, and other decomposers important to an ecosystem?

• They recycle nutrients
• Produce food for consumers
• Provide water for animals
• Keep the soil from eroding

If a hawk eats a snake, the snake is the...

• Predator
• Alpha
• Prey
• Producer