Ecosystems Review

An ecosystem is made up of _______ and ________ things.

• Living and nonliving
• Alive and dead
• Plants and animals
• Land and water

Populations contain more than one member of the species. Which one of these is a population?

• Deer and mice
• 10 squirrels
• squirrel
• squirrel, deer, and mice

What does the word organism mean?

• Living thing
• Nonliving thing
• Organs in your body
• Organ player

All energy transformations in an ecosystem begin with

• a scavenger
• the sun
• a decomposer
• a herbivore

__________ is an organism that only eats plants for energy.

• Carnivore
• Herbivore
• Omnivore
• Terivore

Using food web which of the following is a secondary consumer?

• snake

• worm

• butterfy

• squirrel

__________ is an organism that only eats meat for energy.

• Omnivore
• Borivore
• Herbivore
• Carnivore

Using the food web what would happen if the eagle became extinct?

• The frog population would decrease.

• The frog population would increase.

• The butterfly population would increase.

• The snake population would decrease.

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

Using the food web which of the following is a primary consumer?

• butterfy

• snake

• fox

• frog