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Biology - Coggle Diagram
Biology
Photosynthesis
In the process of photosynthesis, carbon dioxide and water, with the sunlight from the sun, produce glucose and oxygen
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In a simple definition, photosynthesis is the process of plants creating their own food
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Food Chains & Webs
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A food chain always starts with a producer. This is an organism that makes its own food. Most food chains start with a green plant, because plants can make their food by photosynthesis.
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A predator is an animal that eats other animals. The animals that predators eat are called prey. Predators are found at the top of a food chain.
When all the food chains in an ecosystem are joined up together, they form a food web. Here is an example of a food web:
Food web: the producer is grass, which is eaten by rabbits, insects and slugs. Rabbits are eaten by the foxes. Slugs are eaten by thrushes. Insects are eaten by frogs, voles and thrushes. Frogs, voles and thrushes are eaten by a hawk. Frogs and voles are also eaten by foxes
Although it looks complex, it is just several food chains joined together. Here are some of the food chains in this food web:
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the insects have three predators (frogs, voles and thrushes)
This leads to some interesting effects if the population of a particular organism in the food web decreases. Some animals can just eat more of another organism if food is in short supply, while others may starve and die. This in turn can affect the populations of other organisms in the food web
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