Ecosystems

What makes up the cardinal (a kind of bird) population in Prince William Forest Park?

• all the birds in Virginia

• all the cardinals living in Prince William Forest Park

• all the living and nonliving components at the edge of the forest

• only the living things at the edge of the forest

Which of the following would be a part of the community in which the cardinals (a kind of bird) live? Select ALL possible answers.

• rocks

• trees

• water

• other birds

Which three components of an ecosystem are nonliving? Select all three.

• Air

• Nutrients

• Decomposer

• Sunlight

Which description best completes this table?

• a field mouse

• all the nonliving components in the meadow

• all the food the field mouse eats

• all the producers in the meadow

The energy in any ecosystem comes from the ______.

Energy is returned to the nutrient pool through ______.

Study this food chain. What is the producer?

• grasshopper

• mushroom

• snake

• grass

Study this food chain. What is a consumer?

• grass

• mushroom

• sun

• owl

Study this food chain. What is the decomposer?

• grass

• owl

• grasshopper

• mushroom

Which component of this ecosystem has the most amount of energy?

• producers

• consumers

• decomposers

• insects