Unit 2 Review!

Photosynthesis gives plants

• water

• chocolate

• energy

• air

Roots absorb ________ from the soil.

• water and nutrients

• sunlight

• air

• worms

What do plants NOT need to grow?

• sunlight

• water

• nutrients

• air

A ________ is a path by which energy flows from one living thing to another.

• Decomposer

• Food Chain

• Nitrogen Cycle

• Ecosystem

The different paths that energy follows as it moves through an environment is a _______.

• Food Chain

• Food Web

• Ecoystem

___________ break down dead organisms or the waste of living things.

• Decomposers

• Producers

• Consumer

• Energy Source

A cycle is when matter moves around and around, and the energy is transferred from one thing to the next.

• True

• False

Plants capture the energy of sunlight with a substance called __________.

• Grass

• Sunlight

• Chlorophyll

Label this food chain in the correct order, starting with 1 and ending with 4.

___Grass

___Grasshopper

___Sun

___Hawk

_______ is the product that is made as a result of photosynthesis.

• Sugar

• Sunlight

• Animals

• Carbon Dioxide