Review for 7th grade final part2

What does this picture show?

• ecological succession

• urban growth

• selective breeding

• genetic engineering

What organisms are the producers?

• mouse

• grasshopper

• grasses

• bird

What organisms in a food web decompose materials and recycle waste?

• green plants

• mice

• bacteria

• foxes

All of the living and nonliving things in an area make up a

• population

• community

• species

• ecosystem

All of the plants and animals living in the same area make up a

• population

• community

• species

• habitat

this diagram represents

• folded rock layers

• a fault

• ecological succession

• a volcano

The solid outer layer of Earth is called the

• atmosphere

• hydrosphere

• lithosphere

• biosphere

The layer of Earth that contains the water is called

• atmosphere

• hydrosphere

• lithosphere

• biosphere

The interference that Earth's interior has layers is based on

• earthquake wave data

• glacier core samples

• recent fossil discoveries

• celestial obervations

During which phase change is heat absorbed by a substance?

• liquid to gas

• liquid to solid

• gas to solid

• gas to liquid