Interdependence within ecosystems
I can describe ways in which organisms are interdependent within ecosystems.
- Year 8
Interdependence within ecosystems
I can describe ways in which organisms are interdependent within ecosystems.
Lesson details
Key learning points
- Ecosystems are made up of a community of organisms that interact with each other and their non-living surroundings.
- Organisms in an ecosystem are interdependent because they depend upon each other for the things they need to survive.
- All organisms depend upon producers to make the food that moves through food chains.
- Dead organisms and remains of living organisms provide food for other organisms.
- All living organisms depend upon decomposers that break down dead organisms and recycle useful substances for reuse.
Keywords
Ecosystem - An ecosystem is made up of all the living organisms in a place, interacting with each other and their non-living surroundings.
Interdependent - All organisms within an ecosystem are interdependent because they depend upon each other for the things they need to survive.
Producer - A producer is an organism that makes its own food.
Cellular respiration - Cellular respiration is a chemical process where food is used as a fuel to provide energy for life processes.
Decomposer - Decomposers are organisms that help break down dead organic material, allowing nutrients to be recycled in ecosystems.
Common misconception
It is common to think that organisms, especially humans, can survive without other organisms.
This lesson highlights and explores the key concept that all living organisms are dependent upon other organisms for their survival.
Equipment
Content guidance
- Depiction or discussion of sensitive content
Supervision
Adult supervision recommended
Licence
Prior knowledge starter quiz
6 Questions
Q1.True or false? A food chain shows the transfer of biomass.
Q2.Which of the following are biotic factors?
Q3.What do plants and animals need from their habitat?
Q4.Organisms that consume other organisms are known as ...
Q5.What will happen if the cabbage population decreases?

Q6.What will happen to the population of hawks if the grass population decreases?

Assessment exit quiz
6 Questions
Q1.An is made up of all the living organisms in a place, interacting with each other and their non-living surroundings.
Q2.Which organism is a producer?
