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Ecosystems - Daintree Rainforest
Transcript of Ecosystems - Daintree Rainforest
All non-living things in the ecosystem such as:
Organisms we usually find in their environment
is when organisms develop special features in order to survive in an environment.
http://www.steveparish.com.au/blog/?p=4734 (picture of cassowary)
http://www.rainforesteducation.com/ (picture of monkey)
http://en.wikipedia.org/wiki/Leafcutter_ant (picture of the leaf cutter ant)
http://www.marietta.edu/~biol/biomes/troprain.htm (picture of strangler fig)
http://www.wettropics.gov.au/rainforest_explorer/P/P03Feast/Presources03.htm (reptile picture)
(reptile egg pictures)
http://www.littleecofootprints.com/nature/ (bird egg pictures)
How do changes in the environment affect the ecosystem?
Changes in the environment can force certain organisms to find new ways of life.
Changes in the environment can be good to some organisms and harmful to others.
It can take away food sources, for example, but can also give much needed food sources to starving organisms.
All living or once living things including wastes and remains of living things in the ecosystem.
Plants - plant communities
Animals - animal communities
Microbes - microbial communities
Some Plants need to reach the sunlight from the Rainforest floor to thrive. This video shows how some plants have adapted, particularly the ratan and use the tall trees to do get there.
Tree and plant life in the jungle - David Attenborough - BBC wildlife
Producers are organisms that are able to make their own food using abiotic elements in the ecosystem.
Any food they do not use, they store in the form of starch.
For example, plants - they capture the energy of light from the sun to make food for themselves.
An organism that consumes and breaks down dead organisms or waste matter into simple substances, bacteria and fungi such as mould.
Is the relationship where the organisms in the relationship have little or no direct effect on the other.
This is often because they have different food sources and predators.
This relationship is where two organisms compete for the same resources.
They can be of the same species but do not have to be. For example, the strangler fig, Ficus macrophylla, climbs around a parent tree in order to reach the sunlight at the top of the forest canopy. The plants compete for sunlight. (as well as other nutrients).
This relationship is where one organism benefits at the expense of the other, the host. An example of this is the monkey (host) and the tick (parasite). The tick sucks the blood from the monkey.
This relationship is where all parties benefit in one way or another.
This is also known as a symbiotic relationship. For example, underground in the forest, the leaf cutter ant has a mutualistic relationship with the fungus found there.
A consumer is an organism that needs other organisms to survive. Such as the cassowary - see cassowary food web.
The predator is an organism which eats other organisms, which are the prey.
For example, animals will eat other animals to survive. For example, a cassowary will eat reptiles.
Cassowary food web
Relationships in ecosystems