Flow of Energy

Question 1

Ecosystem

Answer 1

a biological community of interacting organisms and their physical environment.

Question 2

Producer

Answer 2

any kind of green plant. Green plants make their food by taking sunlight and using the energy to make sugar.

Question 3

Consumer

Answer 3

a person or thing that eats or uses something.

Question 4

Decomposer

Answer 4

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

Question 5

Food Chain

Answer 5

linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Question 6

Food Web

Answer 6

a system of interlocking and interdependent food chains.

Question 7

Photosynthesis

Answer 7

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Question 8

Cellular Respiration

Answer 8

the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.