Science 7 Year End Review - Unit B

Harnessing of the Sun for all organisms.

Protection of the Soil

Shelter for some organisms

Provide carbon dioxide.

Cotton

Wood in a new treehouse.

Using echinacea to treat a cold.

Manufacturing of ziploc bags.

it gets boring to always plant the same thing.

The plants strip certain nutrients from the soil.

You might not be very good at growing that plant.

The crops are more likely to die.

Flower

Leaf

Stem

Roots

It does not require energy.

It does not require oxygen.

It does not require pollination.

It does not require water.

1

2

3

4

1

2

3

4

Osmosis and diffusion are both forms of active transport.

Transpiration happens at the same rate in all plants.

Cellular respiration and photosynthesis represent opposite chemical reactions.

Capillary action is the movement of oxygen through a plant.

Protection

Food and nutrients

A and B

None of the above

Clear cutting

Biodiversity

Hydroponics

Bioengineering

Lots of sand

Many decomposers

Plenty of sunlight

Areas near bodies of water.

Lots of sand

Many decomposers

Plenty of sunlight

Areas near bodies of water.

Herbicides

Insecticides

Biological Control

None of the above

effects on the environment

inexpensive to create new seeds

pest attraction to new crops

cross pollination with native crops