Unit 3: New

What is the process that plants use to produce food?

• sunlight
• glucose
• photosynthesis
• oxygen

Which of these things do ALL living things need to survive?

• energy
• sunlight
• carbon dioxide
• sugar

In a food chain, insects eat plants. Then lizards eat the insect. What is the main role of the insect?

• control the plant population
• lay eggs
• be a source of energy
• create new habitat

The picture shows a food chain. How does the snake get its energy?

• laying in the sun
• eating hawks
• decomposing
• eating frogs

Which organism is a consumer?

• a bush
• grasses
• plant stomata
• raccoon 

True or false: The definition of an ecosystem is living and nonliving things that interact in the same space.

• True
• False

What is the role of a consumer in a food chain?

• to eat other living things
• to make food
• to break down dead things
• to eat plants

In this food chain, how is the grass different from the hawk?

• The plant is an herbivore and the hawk is a carnivore
• The plant is a consumer and the hawk is a producer
• The plant is a producer and the hawk is carnivore
• The plant is a carnivore and the hawk is a producer

In this diagram, how are producers like consumers?

• Their energy originates from the sun

• They make their own energy from sunlight

• They provide energy to producers

• They are not alike at all

What do all animals need for growth?

• oxygen, water, and energy
• oxygen, sunlight, and water
• carbon dioxide, water, and energy
• carbon dioxide, nutrients, and sunlight