Living Things and Their Classification

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What are living things?

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Living things are organisms that have life. They can grow, reproduce, move, respond to their environment, and carry out vital functions like breathing, eating, and excreting.

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What are unicellular organisms?

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Unicellular organisms are made up of just one cell. This single cell carries out all the necessary life processes, such as feeding, reproducing, and moving. Examples include bacteria and some protozoa.

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What are multicellular organisms?

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Multicellular organisms are made up of many cells. These cells work together and have specific roles, like forming tissues and organs. Examples include humans, plants, and fungi.

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What are the five kingdoms of living things?

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The five kingdoms are: 1. Plants, 2. Animals, 3. Fungi, 4. Protoctists, 5. Bacteria.

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What do plants do?

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Plants are multicellular organisms that make their own food through photosynthesis. Examples include trees, flowers, and grasses.

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What do animals do?

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Animals are multicellular organisms that cannot make their own food. They eat other organisms to survive. Examples include mammals, birds, and insects.

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What are fungi?

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Fungi can be unicellular or multicellular and feed by absorbing nutrients from dead matter. Examples include mushrooms, moulds, and yeast.

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What are protoctists?

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Protoctists are a diverse group of organisms that do not fit into the other kingdoms. Some are similar to plants (like algae), while others are similar to animals (like protozoa).

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What are bacteria?

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Bacteria are unicellular organisms that can live almost anywhere. Some are helpful, like those in our digestive system, while others can cause diseases.

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What is photosynthesis?

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Photosynthesis is the process by which plants use sunlight to make their food.