Energy and ecosystems.

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  • Created by: Hannah
  • Created on: 24-04-14 15:46
feeding relationships
food chains
1 of 14
creates mass from the suns energy
producer
2 of 14
complex linked food chains
food webs
3 of 14
energy from ___ ___ is lost by reflection or is the wrong wavelength
the sun
4 of 14
gross production - respiratory losses
net production
5 of 14
energy available after / energy before x 100
energy transfer
6 of 14
pyramids of ______: no account of size, hard to represent
number
7 of 14
pyramids of ________: uses dry mass so a small sample is used
biomass
8 of 14
pyramids of ______: data collected over a period of time
energy
9 of 14
created for the benefit of humans, to make energy transfer more efficient
agriculture
10 of 14
rate something is produced
productivity
11 of 14
ecosystem with only solar energy
natural
12 of 14
substance which kills human competition for food
pesticide
13 of 14
method of control which doesn't completely eradicate
biological
14 of 14

Other cards in this set

Card 2

Front

creates mass from the suns energy

Back

producer

Card 3

Front

complex linked food chains

Back

Preview of the front of card 3

Card 4

Front

energy from ___ ___ is lost by reflection or is the wrong wavelength

Back

Preview of the front of card 4

Card 5

Front

gross production - respiratory losses

Back

Preview of the front of card 5
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