Ecosystems

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

Which statement is true?

• Only animals depend on sunlight

• Producers depend on consumers

• Plants and animals depend on sunlight

• Only plants depend on sunlight

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

How is energy supplied to a food web?

• Scavengers eat dead organisms

• Decomposers release nutrients

• Plants carry out photosynthesis

• Predators consume prey

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

In which order is energy transferred through a food chain?

• Sun to plants to animals

• Sun to animals to plants

• plants to animals to sun

• plants to Sun to animals