all the organisms living in an area and all the non-living conditions found there
1 of 11
Describe an ecosystem
dynamic, constantly changing/ biotic and abiotic factors influence
2 of 11
What is a biotic factor?
living features of an ecosystem/ competition, predation, disease
3 of 11
What is an abiotic factor?
non-living features of an ecosystem/ temp, pH, weather
4 of 11
what is a producer?
an organism that produces organic molecules using sunlight energy
5 of 11
What is a consumer?
am organism that eats other organisms
6 of 11
What is a decomposer?
an organism that breaks down dead or undigested organic material/ bacteria and fungi
7 of 11
what is a trophic level?
a stange in a food chain tat is occupied by a particular group of organisms
8 of 11
Where does energy usually originate in an ecosystem?
photosynthesis
9 of 11
Describe the flow of energy through an ecosystem
producers eaten by primary consumers which are eaten by secondary etc./ primary are mainly herbivores/ secondary carnivores/ food webs and chains show how energy is transferred
10 of 11
How are energy transfers between trophic levels determined?
by comparing the energy taken in one trophic level with the energy availably in the next
11 of 11
Other cards in this set
Card 2
Front
Describe an ecosystem
Back
dynamic, constantly changing/ biotic and abiotic factors influence
Comments
No comments have yet been made