Chapter 3 Pretest

What do all living things need to survive?

• sunlight

• food

• soil

• electricity

Which of these is a fungus?

• an orchid

• a mushroom

• seaweed

• moss

How does a plant differ from an animal?

• It can make its own food.

• It does not need food.

• It can react to its enviroment.

• It does not need water.

What kind of teeth would a plant-eating animal have?

• sharp teeth

• flat teeth

• sharp teeth and flat teeth

• no teeth

What gas do plant leaves take in during the day?

• carbon dioxide

• nitrogen

• helium

• hydrogen

Which of these animals is a carnivore?

• deer

• wolf

• rabbit

• squirrel

What is the major source of energy on Earth?

• the Sun

• the Moon

• heat from Earth

• water on Earth

Which organism is a producer?

• ant

• tree

• fish

• lion

What happens to a tree that has died?

• It stays the same.

• It eventually starts to grow again.

• It is broken down by organisms.

• It falls over but does not change.

Which organism would be at the highest level of a food chain?

• plant

• mouse

• rabbit

• fox