Unit 3 Science Review

Which of the following statements describes an important difference between mushrooms and plants?

• Mushrooms can grow in wet areas, but plants grow only in dry soil.

• Mushrooms get energy from decomposing matter, but plants produce their own food.

• Mushrooms reproduce by spreading roots, but plants need insects to reproduce.

• Mushrooms can grow in cold areas, but plants grow only in hot areas.

Which of the following processes makes it possible for plants to use energy from sunlight to produce their own food?

• photosynthesis

• pollination

• metamorphosis

• reproduction

Which of the following organisms would most likely get its food energy only from consumers?

• mushrooms

• grass

• hawk

• deer

Which part of the plant is responsible for making food for the plant?

• flower

• leaves

• roots

• stem

What is the main importance of food chains? Choose the best answer.

• controlling animal populations

• plants getting sunlight

• transfer of food

• transfer of energy

Which of the following is a producer?

• mushroom

• worms

• deer

• grass

Most animals are usually a part of many different food chains. What do we call it when animals participate in multiple connected food chains?

• multi-chains

• spider webs

• food webs

• food sources

What is the purpose of a decomposer in a food chain?

• make energy through photosynthesis

• regulate food chains

• break down dead materials

• produce energy for the food chains

How do producers obtain their energy?

• by decomposing dead animals and plants

• by changing light energy into food through photosynthesis

• by consuming animals

• by consuming plants

What role do fungi, bacteria, and worms play in an ecosystem?

• nutrients

• consumers

• producers

• decomposers