23kw Flashcards

1
Q

Ecosystem

A

All the living organisms that interact with one another in a defined area and also the physical features present in the region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Abiotic

A

Non living physical features

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Trophic level

A

Each stage in a chain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Producer

A

Converts light energy into chemical energy by photo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Consumer

A

Gets its energy from feeding on other organisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Primary consumer

A

Animal that eats a producer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Biomass

A

Mass of living material present In a particular place in particular organisms,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Energy efficiency

A

The effiency with which the biomass is transferred from one trophic level to the next

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Decomposer

A

Feeds on and breaks down dead plant or animal matter. Turning organic compounds into inorganic compounds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Detritivores

A

Feed on Derris and break it into so all pieces of organic material. Increasing SA for decomposer to work. Perform internal digestion.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Nitrogen fixing

A

N2 to NH3

Rhizobium and Azotobacter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ntrificatin

A

NH3 to

No2 (nitrosomonas) or no3 (nitrobacter)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Amoonificqton

A

Decomposer SA turn n containing compounds on dead organisms into ammioum compounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Succession

A

Change in ecosystem over time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Primary succ

A

Happens on an area of land that has been newly formed for exposed eg bare rock. No soil or organic material present to begin with

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Secondary succession

A

Happens on area of land where soil present but contains no plant or animal species. Eg bare earth after forest fire

17
Q

Serial stage or sere

A

Each step of succession

18
Q

Pineerspecies

A

Colonise an inhospitable environment eg algae and lichen

19
Q

Humus

A

The part of the soil made of when dead pioneer species die and decompose and organic products released into the soil

20
Q

Climax community

A

Final serial stage ,community is stable

21
Q

Phagioclimax

A

Artificial stoppIng of succession