Life Science Review

How do plants get energy?

• by eating other organism

• by absorbing mineral nutrients from soil

• through a reaction called chlorophyll

• through a process called photosynthesis

How do plants and animals differ?

• unlike animals, plants do not need gases from the air.

• unlike plants, animals do not need gases from the air

• unlike animals, plants are able to make their own food

• unlike plants, animals are able to make their own food

Identify the pigment that captures the energy of sunlight

• chlorophyll

• carbon dioxide

• oxygen

• sugar

What is the original source of energy for organisms in a food chain?

• plants

• animals

• sunlight

• consumers

What role do roots play in making food for a plant?

• roots take in water

• roots take in energy

• root take in carbon dioxide

• roots release oxygen

What is a product of photosynthesis that plants use?

• water

• carbon dioxide

• chlorophyll

• sugar

Plants use the products made during photosynthesis to carry out their basic functions. Where does the energy to make these products come from?

• water

• sunlight

• oxygen

• carbon dioxide

Over time a young robin becomes an adult. Which process describes how the robin gets larger?

• food provides the robin with materials for growth

• food provides the robin with materials for repair

• food provides energy the robin needs for motion

• food provides energy for the robin to keep its body warm

Raul falls down and scrapes his knee. In a week, his skin is healed. Which of the following describes this use of food?

• Food provides Raul's body with materials for growth

• food provides Raul's body with materials for repair

• food provides energy that Raul needs for motion

• food provides energy that Raul's body uses to stay warm

A lion chases a zebra. Which of the following describes this use of food?

• Food provides the lion with materials for growth.

• Food provides the lion with materials for repair.

• Food provides energy the lion needs for motion.

• Food provides gases for the lion to breathe.