Chapter 4 lesson 1 and 2

the process by which cells break down sugar

to release energy

• photosynthesis

• cellular respiration

• chloroplast

• carbon dioxide

the outside layer of cells on the top and bottom of a leaf

• chloroplast

• epidermis tissue

• chlorophyll

• mitochondria

the process plants use to make sugar for food

• photosynthesis

• cellular respiration

• carbon dioxide

• spongy tissue

True of false: Plants release oxygen through their roots.

• True

• False

True or False: Cellular respiration occurs mostly in a plant’s nucleus

• True

• False

True or false: Biofuels are more environmentally friendly than fossil fuels.

• True

• False

Photosynthesis uses energy from the sun, carbon dioxide, and water to create....

• chloroplast

• glucose=sugar

• energy

• roots

A colorless odorless gas that is released when human animals breath out

• hydrogen

• oxygen

• carbon dioxide

• carbon monoxide

An organism that breaks down dead plant and animal cells.

• decomposer

• consumer

• herbivore

• producer

The role and organism plays in its environment.

• parasite

• niche

• symbiosis

• population