5th Grade Ecosystems

Which organism is a producer?

More people have moved to the beach and the sea turtle population decreased.  What happened?

This ecosystem contains turtle grass, small crabs and brackish water.

Which group of organisms would most likely serve as decomposers in a forest ecosystem?

If the population of hawks decreased, what would most likely be the effect on the grassland?

North Carolina is mainly what type of ecosystem?

Which is a difference between abiotic and biotic factors?

Which best describes an organism that survives by receiving energy from living organisms?

The frog is the _____________ in this energy pyramid.

Which best explains why forests have trees and grasslands do not?

Which will most likely cause a decrease in predator populations?

Which of the following can all be characterized as abiotic factors?

Which way does energy flow in the food chain?

Which best expains how the sun's energy is passed through an ecosystem?

Which lists 2 ecosystems that contain salt water?

This ecosystem is characterized by its harsh winters and low levels of precipitation.

What is niche?

How could a woodpecker population be affected if a housing development is built in it's forest?

TJ was walking when she saw a monkey being chased by a panther. Which ecosystem was she in?

Which best completes the graphic organizer?

Why is the presence of insects in a rain forest ecosystem important?

Which is most responsible for recycling dead plants and animals in an ecosystem?

In the food web, which animal is an omnivore?

Which process do producers use to get food?

Which population would most likely increase if the crayfish population decreased?

You might find species of fish and water birds in an __________________ ecosystem.

Which food chain is correct?

Which type of organism eats only plants?

Which statement is true about the dependency of organisms in an ecosystem?

Which most likely causes the greatest increase in competition within a population?