Unit 6

Question 1

Decomposition

Answer 1

the process by which decomposers break down dead material and waste into simpler substances

Question 2

Energy pyramid

Answer 2

– a diagram that demonstrates the flow of energy through a food chain

Question 3

Photosynthesis

Answer 3

– the process by which producers/plants use the energy in sunlight to create their own food

Question 4

Trophic level

Answer 4

– the position that an organism occupies in a food chain, food web, or energy pyramid (e.g., producer, primary consumer, etc.)

Question 5

Chemical Energy

Answer 5

• the potential of a chemical substance to undergo a chemical reaction to transform into other substances

Question 6

Consumer

Answer 6

animals that eat primary producers

Question 7

Decomposer

Answer 7

an organism, especially a bacteria or fungus, that decomposes organic material.

Question 8

Food Chain

Answer 8

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

Question 9

Food Web

Answer 9

a system of interlocking and interdependent food chains.

Question 10

Producer

Answer 10

• an organism that makes its own food from light energy or chemical energy without eating

Question 11

Radiant Energy

Answer 11

• the energy we get from the sun, includes infrared and ultraviolet energy

Question 12

Autotroph

Answer 12

• an organism that can make its own food ex. Photosynthesis

Question 13

Heterotroph

Answer 13

• an organism that eats other plants or animals for energy and nutrients.

Question 14

Thermal Energy

Answer 14

• also known as heat energy, is the energy an object has because of the movement of its molecules

Question 15

Mechanical Energy

Answer 15

• the energy that is possessed by an object due to its motion