Ecosystems - 5th Grade

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

_______ are consumers that eat only meat.

• Herbivore
• Omnivore
• Carnivore

________ are consumers that eat plants and meat.

• Herbivore
• Omnivore
• Carnivore

Which group do fungi, bacteria, and termites belong to?

• decomposers
• producers
• herbivores
• omnivores

Which organism make their own food through the process of photosynthesis? 

• decomposer
• consumer
• herbivore
• producer 

Field mice eat corn. Which would most likely happen if the field mouse population grew?

• There would be more corn to feed the field mice.
• There would be less corn due to the mice eating it.
• The habitat would get overpopulated because the mice woudl eat too much.

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease
• stay the same
• increase

What are interconnected food chains called?

• consumers
• predators
• food web

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase
• The number of plants would increase
• all organisms would adapt
• All living organisms would eventually die

All food chains_____________________

• have more consumers than producers
• produce and use same amount of energy
• begin with a producer
• are unhealthy