Life on the Earth
1. From a structural point of view, all ecosystems consist of abiotic and biotic factors.
2. Abiotic factors include rainfall, temperature, sunlight, atmospheric humidity, soil conditions, inorganic substances (carbon dioxide, water, nitrogen, calcium, phosphorus, potassium, etc.).
3. Biotic factors include the producers, the consumers (primary, secondary, tertiary) and the decomposers. The producers include all the green plants, which manufacture their own food through photosynthesis.
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Who are decomposer? State two scavengers.
What are two types of ecosystems?
Mention the classes of the aquatic ecosystem.
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