chapter 5 key terms

Question 1

Producer

Answer 1

An organism capable of making its own food

Question 2

Omnivore

Answer 2

An organism that eats both producers and consumers

Question 3

Phosphorus

Answer 3

This element is rarely in gaseous form in this cycle

Question 4

Climax Community

Answer 4

The final, stable community at the end of ecological succession

Question 5

Decomposer

Answer 5

An organism that break down dead organisms or waste products for nutrition

Question 6

Ecological Succession

Answer 6

The changes that occur over time to ecosystems

Question 7

Consumer

Answer 7

An organism that must depend on other organisms for nutrition

Question 8

Food Chain

Answer 8

A diagram showing the transfer of energy from organism to organism

Question 9

Cellular Respiration

Answer 9

The process where food is broken down to produce energy

Question 10

Pioneer Species

Answer 10

Those organisms first colonizing an uninhabited area

Question 11

Trophic Level

Answer 11

The steps in a food web or pyramid

Question 12

Carnivore

Answer 12

An organism that eats other consumers

Question 13

Herbivore

Answer 13

An organism that eats producers

Question 14

Food Web

Answer 14

A diagram showing all the eating relationships in an ecosystem

Question 15

Nitrogen-Fixing Bacteria

Answer 15

The bacteria responsible for making nitrogen available to other living things

Question 16

Carbon Cycle

Answer 16

Includes photosynthesis, combustion, respiration, and decomposition

Question 17

Photosynthesis

Answer 17

The process by which producers use CO2, sunlight, and water to produce food and oxygen