Rabu, 13 April 2011

Ecosystem


Ecosystem


Ecosystem is interaction between community and their abiotic component in an environment.

Components of ecosystem are biotic component and biotic component
Biotic component of ecosystem is consisting of living thing, such as plant, animal, human and decomposer.

Abiotic component of ecosystem is consisting of non living thing such as water, air, soil, temperature, humidity, etc.

Kind of biotic component based on the way to get energy are:
  1. Autotrophic organism is the organism which can make food by itself with do photosynthesis process.
  2. Heterotrophic organism is the organism which can not make food by itself, so it is get energy by eating another organism.

Kinds of biotic component based on their niche:
  1. Producer is the organism which can produce food by itself, by convert inorganic substances into organic substances.
  2. Consumer is the organism which can not produce food by itself, so this organism gets organic substance by consume another organism.
  3.  Decomposer is the organism which can convert organic substances into inorganic substances as energy sources.

Kinds of biotic component (animal) based on kinds of their food:
  1. Herbivore is the organism which eat plant as energy sources
  2. Carnivore is the organism which eat animal as energy sources.
  3. Omnivore is the organism which eats plant and animal as energy sources.

Units of ecosystem:
1.  Individual is one organism.

2. Population is a group organisms included one species.

3. Community is a group of organisms that consist of several populations.
4. Ecosystem is interaction between community and their environment.
5. Biome is an ecosystem which influenced by climate and geographical location.
6. Biosphere is all of ecosystem in the earth or the earth and its content.


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