how do organism obtain their nutrition?
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Organisms are living things. All plants and animals are organisms. All organisms have their own role (job) in a living community. This special role is called the ecological niche of the organism.
We can classify organisms into different groups. There are three main groups of organisms. These are producers, consumers and decomposers. These different groupings are based on how the organisms get their food.
Producers are green plants which make their own food by using the process of photosynthesis. Plants are green because they contain a substance called chlorophyll. When plants carry out photosynthesis to make food they need four things; chlorophyll, energy from the sun, carbon dioxide from the air and water from the soil.
Consumers are usually animals. Consumers cannot make their own food, so they have to eat other organisms. They can be classified into three main groups. These groups are herbivores, carnivores and omnivores. Herbivores are animals which eat only plants. Carnivores are animals which eat only animals. Omnivores are consumers which eat both plants and animals.
Decomposers get their food by breaking down dead plants and animals and the waste products of the dead organisms. Decomposers are usually bacteria and fungi.
We can classify organisms into different groups. There are three main groups of organisms. These are producers, consumers and decomposers. These different groupings are based on how the organisms get their food.
Producers are green plants which make their own food by using the process of photosynthesis. Plants are green because they contain a substance called chlorophyll. When plants carry out photosynthesis to make food they need four things; chlorophyll, energy from the sun, carbon dioxide from the air and water from the soil.
Consumers are usually animals. Consumers cannot make their own food, so they have to eat other organisms. They can be classified into three main groups. These groups are herbivores, carnivores and omnivores. Herbivores are animals which eat only plants. Carnivores are animals which eat only animals. Omnivores are consumers which eat both plants and animals.
Decomposers get their food by breaking down dead plants and animals and the waste products of the dead organisms. Decomposers are usually bacteria and fungi.
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