Bio: Ecology Test

Question 1

Ecology is the study of…

Answer 1

relationships between living organisms

Question 2

abiotic

Answer 2

non living

Question 3

biotic

Answer 3

living

Question 4

what separates ecosystems from community?

Answer 4

abiotic factors

Question 5

in a food web, the energy ingested by the organism is lost by…

Answer 5

energy

Question 6

autotroph=

Answer 6

producer

Question 7

heterotroph=

Answer 7

consumer

Question 8

producers are…

Answer 8

organisms that create + supply food

Question 9

consumers

Answer 9

eat living organisms for energy

Question 10

what do arrows in a food web represent

Answer 10

energy

Question 11

where does all of the energy in a food web come from?

Answer 11

the sun

Question 12

predator/prey

Answer 12

(+/-)

Question 13

competition

Answer 13

(+/-)

Question 14

mutualism

Answer 14

(+/+)

Question 15

commemsalism

Answer 15

(+/0)

Question 16

parasitism

Answer 16

(+/-)

Question 17

evaporation

Answer 17

goes into air

Question 18

transpiration

Answer 18

comes from trees

Question 19

condensation

Answer 19

comes from atmosphere

Question 20

precipitation

Answer 20

falls from atmosphere

Question 21

runoff

Answer 21

run down land like a stream usually into water source

Question 22

infiltration

Answer 22

seeps into ground

Question 23

what are three major areas where carbon is stored

Answer 23

sediment, ocean, atmosphere

Question 24

how can carbon move from biotic to biotic

Answer 24

consumption

Question 25

how can carbon move from abiotic to biotic

Answer 25

photsynthesis

Question 26

where does most nitrogen exist on earth

Answer 26

atmosphere

Question 27

what organism fixes nitrogen so plants can use it

Answer 27

bacteria

Question 28

what two major factors are biomes controlled by

Answer 28

temp + precipitation

Question 29

which biome has modst biodiversity

Answer 29

tropical rainforest

Question 30

which biome is coldest

Answer 30

tundra

Question 31

which biome is warmest

Answer 31

subtropical desert

Question 32

which biome has largest range of rainfall

Answer 32

tropical rainforest

Question 33

carrying capacity

Answer 33

number of organisms or people an area can sustain

Question 34

how can you increase carrying capacity

Answer 34

increase resources

Question 35

density independent examples:

Answer 35

natural disasters, pollution, severe weather

Question 36

density dependent examples:

Answer 36

predation, disease, competition

Question 37

primary succesion

Answer 37

no soil, when new patch of land is created or exposed

Question 38

secondary succesion

Answer 38

soil remains, community is impacted by disturbance, doesn't have to start all over

Question 39

pioneer species

Answer 39

first species to arrive after succesion

Question 40

climax

Answer 40

final ecosystem after succession, usually dominant tree species