3.2

Question 1

autotroph/producer

Answer 1

Organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer

Question 2

Heterotroph/Consumer

Answer 2

Organism that obtains energy from the food it consumes; also called a consumer

Question 3

Chemosynthesis

Answer 3

Process by which some organisms, such as a certain bacteria, use chemical energy to produce carbohydrates

Question 4

Detrivore

Answer 4

Organism that feeds on plant and animal remains and other dead matter

Question 5

Omnivore

Answer 5

Organism that obtains energy by eating both plants and animals

Question 6

Trophic level

Answer 6

Step in a food chain or food web.

Question 7

Ecology pyramid

Answer 7

Diagram that shows the relative amounts of energy or matter within each tropic level on a food chain or food web