Biology B: Unit 2 Carbon Cycle

Question 1

artificial

Answer 1

human made, not natural

Question 2

atmosphere

Answer 2

the collection of gases that surrounds the planet and provides breathable air

Question 3

atmosphere

Answer 3

the layer of gases that surrounds the planet

Question 4

ATP

Answer 4

adenosine triphosphate, the energy molecule of the cell that powers many reactions

Question 5

biomass

Answer 5

all the living things (or formerly living) material in an ecosystem

Question 6

biomass

Answer 6

the total amount of living material in a given area

Question 7

biosphere

Answer 7

all the living things on Earth

Question 8

biosphere

Answer 8

the area of Earth where all living things exist

Question 9

carbon cycle

Answer 9

the movement of carbon and its related molecules through an ecosystem

Question 10

carbon cycle

Answer 10

the movement of carbon between the different areas of Earth

Question 11

carbon dioxide

Answer 11

the main gas moved during the carbon cycle

Question 12

carbon dioxide gas

Answer 12

the main gas moved during the carbon cycle

Question 13

carbon footprint

Answer 13

a measure of the impact that human activities have on global warming

Question 14

carbon sink

Answer 14

an area where carbon is stored

Question 15

carbon source

Answer 15

an area or a process that releases carbon

Question 16

cellular respiration

Answer 16

the reaction that releases energy from the breakdown of glucose

Question 17

climate intervention

Answer 17

strategies used by scientists to find alternative ways of storing carbon to reduce or eliminate global warming

Question 18

flux

Answer 18

the movement of carbon in between reservoirs

Question 19

geosphere

Answer 19

the solid Earth, including the crust and Earth’s interior

Question 20

greenhouse effect

Answer 20

gases released either naturally or through human activity, block heat from escaping Earth’s atmosphere and in turn increase global temperatures

Question 21

greenhouse gases

Answer 21

gases that form a barrier that prevents heat from escaping Earth’s atmosphere

Question 22

hydrosphere

Answer 22

all the water on Earth

Question 23

hydrosphere

Answer 23

the area of Earth covered by water

Question 24

keystone species

Answer 24

species upon which success of the ecosystem depends

Question 25

lithosphere

Answer 25

the area of Earth that is solid; land and soil

Question 26

marine snow

Answer 26

dead biomass falling from the upper areas of the water column to the lower areas

Question 27

model

Answer 27

a physical representation of a phenomena

Question 28

nitrogen

Answer 28

the main gas of the atmosphere on Earth

Question 29

photosynthesis

Answer 29

process by which autotrophs convert light energy into chemical energy

Question 30

photosynthesis

Answer 30

the process by which autotrophs convert light energy into chemical energy

Question 31

photosynthetic organism

Answer 31

a living thing that performs photosynthesis to make energy for itself

Question 32

plankton

Answer 32

microscopic organisms living in the water; serves as the basis of the food chain

Question 33

reservoir

Answer 33

a location that stores materials

Question 34

reservoir

Answer 34

an area that stores carbon

Question 35

residence

Answer 35

the location where a material is located

Question 36

resident time

Answer 36

the amount of time carbon spends in a particular reservoir

Question 37

respirate

Answer 37

breathing (the exchange of gases between the body and the external environment)

Question 38

respiration

Answer 38

the reaction that releases energy from the breakdown of glucose

Question 39

stomata

Answer 39

openings on the undersides of leaves that are the sites of gas exchange

Question 40

toxic materials

Answer 40

substances that are harmful, particularly to the environment