Photosynthesis and cellular respiration

Question 1

Ecosystem

Answer 1

A biological community of interacting organisms and their physical environment.

Question 2

Producer

Answer 2

An organism that produces (makes) its own food.

Question 3

Consumer

Answer 3

A consumer in a food chain are living creatures that eat organisms from a different population.

Question 4

Decomposer

Answer 4

An organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

Question 5

Food chain

Answer 5

A heirarchical series of organisms each dependent on the next as a source of food.

Question 6

Food web

Answer 6

A food web consists of all the food chains in a single ecosystem.

Question 7

Photosythesis

Answer 7

Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.

Question 8

Cellular respiration

Answer 8

Cellular respiration is the process by which organisms use oxygen to break down food molecules to get chemical energy for cell functions.