Unit 1B - Ecosystems
- Created by: Former Member
- Created on: 27-01-19 18:01
An Ecosystem Includes all the Living and Non-Living Parts in an Area
biotic = living parts
abiotic = non-living parts
Organisms can be classed as producers, consumers or decomposers.
producer = organism that uses sunlight energy to produce food
consumer = organism that gets energy by eating other organisms
decomposer = organism that gets energy by breaking down dead material
Food chains show what eats what. Food webs show lots of food chains and how they overlap.
When dead material is decomposed, nutrients are released into the soil. Nutrients are taken up from the soil into plants. Plants are eaten by consumers, and when consumers die the nutrients return to the soil, This is called nutrient recycling.
A change to one part of an ecosystem has an impact on other parts
Some parts of an ecosystem depend on others.
Consumers depend on producers for a source of food and some depend…
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