Energy Flow & Cycles of Matter

Question 1

Energy

Answer 1

the ability to change

Question 2

Flow

Answer 2

to pass along or move to another location

Question 3

Cycle

Answer 3

events that repeat themselves.

Question 4

Matter

Answer 4

anything that has mass and takes up space.

Question 5

Producer

Answer 5

organism that makes its own food.

Question 6

Photosynthesis

Answer 6

process by which plants use carbon dioxide, sunlight, and water to make their own food.

Question 7

Cellular Respiration

Answer 7

process by which organisms obtain energy from glucose (food) using oxygen.

Question 8

Consumer

Answer 8

organism that eats its food.

Question 9

Scavenger

Answer 9

consumer that eats dead or decaying matter.

Question 10

Decomposer

Answer 10

organism that breaks down its food chemically and absorbs nutrients.

Question 11

Herbivore

Answer 11

eats plants

Question 12

Carnivore

Answer 12

eats animals

Question 13

Ominivore

Answer 13

eats both plants and animals

Question 14

Food Chain

Answer 14

a sequence that shows the flow of energy through organisms.

Question 15

Food Web

Answer 15

many interconnected food chains.

Question 16

Energy Pyramid

Answer 16

a model that shows the amount of energy at each level.

Question 17

What is the purpose of photosynthesis?

Answer 17

Producers make their own food.

Question 18

What 3 things are needed for photosynthesis?

Answer 18

Sunlight, carbon dioxide, and water

Question 19

What are 2 products of photosynthesis?

Answer 19

Glucose, oxygen

Question 20

What is the purpose of cellular respiration?

Answer 20

Organisms obtain energy from their food.

Question 21

What 2 things are needed for cellular respiration?

Answer 21

Glucose, oxygen

Question 22

What gas is released back into the atmosphere as a result of cellular respiration?

Answer 22

Carbon dioxide

Question 23

What is the role of a producer in the carbon cycle?

Answer 23

Producers take in carbon dioxide from the atmosphere and release oxygen.

Question 24

What is the role of a consumer in the carbon cycle?

Answer 24

Consumers take in oxygen and release carbon dioxide.

Question 25

What is the role of a decomposer in the carbon cycle?

Answer 25

Decomposers break down dead plant and animal matter into carbon compounds. The carbon compounds are released by decomposers into the soil and atmosphere.

Question 26

What is the difference between a primary consumer, secondary consumer, and a tertiary consumer?

Answer 26

Primary consumers eat producers. Secondary consumers eat primary consumers. Tertiary consumers eat primary and secondary consumers.