Food Chains Post Assessment

Uses the Sun's energy to grow

• Ecosystem
• Energy
• Remove
• Plants

Organisms and their environment

• Ecosystem
• Energy
• Remove
• Plants

Comes from the Sun

• Ecosystem
• Energy
• Remove
• Plants

To take away

• Ecosystem
• Energy
• Remove
• Plants

Which of the following is represented in the diagram above?

• Evaporation of water
• Transfer of energy
• Reflection of light
• Animal life cycle

What is most likely the first thing to result from having fewer field mice in the food chain pictured here?

• The snakes would have to find another food source.
• The plants that make seeds would decrease in number.
• The eagles would have to fly away to a location.
• The mice would eat many more kinds of seeds.

A new fish that also eats plants is introduced into a pond. What changes would occur to this pond ecosystem?

• The large fish population will decrease.
• The plant population will decrease.
• The small fish population will increase.
• The new fish population will decrease.

Which of the following correctly shows how energy moves through a food chain?

• Sun → meat eaters → plants → plant eaters
• Sun → plants → plant eaters → meat eaters
• Sun → plant eaters → meat eaters → plants
• Sun → plants → meat eaters → plant eaters

Based on the food chain illustrated above, what effect would be the most likely direct result of increasing the number of fish?

• Beetles would have trouble finding food.
• There would be more kinds of plants.
• The population of beetles would decrease.
• Plants would no longer survive in this habitat.

Which two organisms use the Sun's energy to survive?

• oak trees and rose bushes
• lily pads and wolves
• coyotes and lions
• tigers and flowers