Unit 9 Science Review

What do plants need to be able to make their own food?

• shelter

• sugar

• soil

• sunlight

How does a producer get food?

• they eat other animals

• they make their own food

• they eat fish

• they break down dead things

Why do some trees need more water in the summer than winter?

• to make carbon dioxide

• to change their leaf color

• to make food in the form of sugar

• to lose their leaves

Which of these living things directly depends on the sunlight for energy?

• owl

• flamingo

• butterfly

• grass

Which of these living things does not depend on the sun for its energy source?

• grass

• palm tree

• fish

• sunflower

In what season would you most likely see a bird building nests to lay eggs?

• winter

• summer

• spring

• fall

In what season do trees become dormant?

• spring

• summer

• fall or winter

What do animals like bears or hedgehogs do in the winter?

• migrate

• germinate

• hibernate

Why are plants and animals less active in the winter?

• to hide from predators

• to rest in preparation for the upcoming spring

• to conserve energy when food and sunlight are scarce

• to prepare for migration in the spring

Which change happens in the fall?

• buds begin to form on trees

• leaves begin to change colors

• birds build nests to get ready to lay eggs

• trees drop all of their leaves and go dormant