Embedded Files
Intention
Intention
To know the different levels of organisation in a community.
To know the different levels of organisation in a community.
To know what is meant by competition.
To know what is meant by competition.
Meet the spec
Meet the spec
You need to be able to:
Describe the organsiation of an ecosystem
Describe the importance of interdependence and competition in a communuty
suggest what plants and animals compete for
suggest how organsims are adapted for survival in an ecosystem
Lucy's GArden
Lucy's GArden
Community
Community
Lucy's garden is am example of a community.
This food web give the feeding relationships in Lucy's garden.
levels of organisation
levels of organisation
Sometimes called Trophic levels
Producers - These make their own food using the Sun and are always plants. theire energy comes from the Sun directly
Primary consumers - These animals eat the producers to get their energy. They are usually Herbivores but can be Omnivores
Secondary consumers - These eat the primary consumers to get their energy These are always Carnivores
Tertiary consumers - These eat the secondary consumer to get their energy. These are also carnivores.
Top predator - These are predators that are not eaten by anybody else. They can be secondary or tertiary consumers
The death of all the chaffinches
The death of all the chaffinches
Imagine all the chaffinches died.
Some children have suggested possible effects of the chaffinches dying out.
How do you feel about each suggestion?
A keystone species
A keystone species
A keystone is a very important part in the construction of a bridge. Infact its the key to it not falling down.
Discussion point
Talk to you partner for 5 minues and then in your books, write and answer the following questions.
Why you think these are called keystones?
What do you predict would happen if they were removed?
What do you think Keystone species might be?
Explain your answer to number 3.
Check your learning
Check your learning
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