ecosystems Flashcards

1
Q

what is an ecosystem

A

all the biotic and abiotic parts of an area

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

what can the organisms in a ecosystem be classified into

A
  • producer
  • consumer
  • decomposer
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is a producer

A

uses sunlight to produce food e.g grass

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

what is a consumer

A

gets its energy by consuming other organisms. they can eat producers or other consumers

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

what is a decomposer

A

a organism that gets its energy through breaking down dead material e.g dead consumers or dead producers

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

what are examples of decomposers

A

fungi and bacteria

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

what does the nutrient cycle show

A

how nutrients move through an ecosystem

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

what is the different steps in the nutrient cycle

A
  • dead material decomposes returning nutrients to the soil
  • nutrients taken up by plants which can be eaten by consumers
  • when plants or consumers die the nutrients are returned back to the soil
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what does a food chain show

A

what eats what

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

what does a food web show

A

shows lots of food chains and how they overlap

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

what is an example of a small scale ecosystem

A

slapton ley reed beds in devon

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

what is slapton ley

A

a freshwater laggon seperated by the sea by shingle

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

what is a food chain for slapton ley

A

common reed - moth larva - eel - bitten

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

what does it mean when a ecosystem in interdependant

A

all the components rely on one another

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

what happens if you change a compenent in a interdependent ecosystem

A

it will have a knock-on effect on other components

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

what are the seven major types of ecosystems

A

Tundra
Polar
Grasslands
Tropical rainforest
Temperate Deciduous forest
Boreal forest
Hot desert

17
Q

where are tropical rain forests found

A

near the equator

18
Q

where is tundra found

A

at high latitudes

19
Q

what are the two types of grassland

A

temperate
savannah

20
Q

where are savannah grasslands found

A

between the tropics

21
Q

what are the charcteristics of savannah grasslands

A

distinct dry and wet season but rainfall is realitvily low
most vegitation is grasses with a few scattered trees

22
Q

what are the characteristics of temperate savannahs

A

higher latitudes
more variation in temp
only grasses

23
Q

what are the characteristics of temperate deciduous forests

A

found in mid latitudes
4 distinct seasons
deciduous trees loose leave sin winter to cope with cold

24
Q

what are the charcteristics of hot deserts

A

north and south of equator
little rainfall
very hot during day
very cold at night
shurbs and cacti

25
what are the characteristics of boreal forests (taiga)
winter are cold and dry summers are mild and mosit trees are coniferous - evergreen and have needles