unit 3 science review

unit 3 science review

Multiple Choice

What is the primary source of energy in this ecosystem?

• fox

• mushrooms

• sun

• tree

Multiple Choice

idenitify a producer

• sun

• deer

• fox

• grass

Multiple Choice

Identify a consumer

• fox

• tree

• bush

• sun

Multiple Choice

identify a decomposer

• bear

• rabbit

• sun

• mushrooms

Multiple Choice

Over time, a young fox becomes an adult. Which process describes how the fox gets larger.

• food provides the fox with materials for motion.

• food provides the fox with materials for growth.

• food provides the fox with materials for warmth.

Multiple Choice

What is mainly produced in the process of photosynthesis?

• water and nutrients

• carbon dioxide and food

• oxygen and food

Multiple Choice

Greg states that animals do not depend on energy from the sun. How would you respond to this statement?

• I disagree with Greg becuase the sun grows plants that they eat or the animals that they eat, eat.

• I disagree with Greg becuase they need the sun to keep them warm.

• I agree with greg. Not all animals eat plants.

Multiple Choice

A badger senses danger and runs quickly away. How is food helping the badger as it runs? Choose the best answer.

• food is providing the badger with the materials it needs for body repair

• food is providing the badger with the materials it needs for growth

• food is providing the badger with the materials it needs for movement.

Multiple Choice

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

• producers

• decomposers

• producers

Multiple Choice

How do producers obtain their energy?

• by eating plants

• by changing light energy into food energy in the process of photosynthesis

• by decomposing dead plants and animals

Multiple Choice

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

• break down dead animals

• produce energy

• use photosynthesis

Multiple Choice

What do we call it when animals participate in multiple connected food chains?

• spiderwebs

• mutli webs

• food webs

Multiple Choice

Which of these is a producer?

• worm

• blueberry bush

• kangaroo

Multiple Choice

What is the main thing that happens between and amongst members of a food chain? Choose the best answer.

• transfer of energy

• transfer of food

• plants getting sunlight

Multiple Choice

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

• stem

• leaves

• flower

Multiple Choice

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

• rabbit

• grass

• fox

Multiple Choice

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

• pollination

• chlorophyll

• photosynthesis

Multiple Choice

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

• mushrooms get energy from decomposing dead animals but plants create their own energy

• animals like to eat plants but dont like to eat mushrooms

• mushrooms can only grow where it is cold and plants only grow where it is hot