Biology 3.2

Multiple Choice

Photosynthesis adds _____ to the atmosphere & removes _____.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

• hydrogen, water

• carbon dioxide, helium

Multiple Choice

An example of a producer is a(n)

• field of corn

• chicken raised on a farm

• farmer who raises corn

• earthworm in a cornfield

Multiple Choice

The common primary producers harness energy through

• autosynthesis

• photosynthesis

• chemosynthesis

• biosynthesis

Multiple Choice

When organisms use chemical energy to produce carbohydrates, the process is called

• chemosynthesis

• autosynthesis

• photosynthesis

• biosynthesis

Multiple Choice

Organisms that cannot harness their own energy are called

• producers

• autotrophs

• consumers

• chemotrophs

Multiple Choice

Organisms that feed by chemically breaking down organic matter are called

• autotroph

• heterotroph

• scavenger

• decomposer

Open Ended

Give 3 examples of producers.

Open Ended

Give 3 examples of consumers.