IA1

Where do producers get energy?

• consumers

• producers

• sunlight

• predators

What is an ecosystem?

• The place an animal hides

• The place a plant lives

• The nonliving things in a certain area

• The relationship of living and non-living things

A species is considered to be extinct when

• The last member of that species has disappeared

• All of that species' habitat has disappeared

• Only a few members of that species is left

• There is an abundance of that species

Which of the following is an example of two consumers?

• grass and grasshopper

• flower and turtle

• berries and deer

• rabbit and owl

How do consumers gain energy?

• They eat producers and other consumers

• They make their own food

• They eat only producers

• They eat only other consumers

Which pair of organisms has a predator and prey relationship?

• squirrel and rabbit

• corn plant and crow

• flowering plant and bee

• mouse and snake

If the number of frogs decreases, which population will most likely increase?

• crickets

• eagles

• snakes

• green plants

Soil contains both abiotic and biotic materials. Which is a biotic component of soil?

• Minerals

• Grains of sand

• Decomposing leaves

• Water

Which factor in a penguin’s environment is abiotic?

• Iceberg

• Killer whale

• Krill

• Phytoplankton

What word best replaces the Y on the above diagram?

• Abiotic

• Population

• Biotic

• Ecosystem