math/science review

What happens if ONE organism in a food chain disappears?

• nothing

• it will become unbalanced

• it will be destroyed

What’s 13x16

• 567

• 134

• 208

• 198

• 216

How do consumers get their energy?

• from the sun

• by eating other things

• from fungi

What is happening in the picture?

• weathering

• erosion

• depostion

• flooding

A beam of light is shined directly at a mirror. Which statement tells what happens to the light when it hits the mirror?

• It will continue in a straight line.

• It will bend.

• It will reflect back at the source.

• It will disappear.

What do ecologists study?

• Plants

• People

• Ecosystems

A tablet is dropped in a glass of water and bubbles are formed. What type of change occurred?

• Physical Change

• Chemical Change

What planet would get the least amount of sunlight, making it the dimmest as seen from Earth?

• Jupiter

• Neptune

• Mars

• Saturn

What process changes liquid water into vapor?

• 1 - sun's radiation
• 2 - condensation
• 3 - evaporation
• 4 - precipitation

Where does most of the energy in an ecosystem come from?

• people

• plants

• the sun