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Every ecosystem includes both living and nonliving factors. Biodiversity - the variety of living things in an ecosystem. Rain forests contain more than 50% of the world’s species. plants. Biotic factors are living things. plants animals fungi bacteria. sunlight. moisture. moisture
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Biodiversity - the variety of living things in an ecosystem. • Rain forests contain more than 50% of the world’s species.
plants Biotic factorsare living things. • plants • animals • fungi • bacteria
sunlight moisture • moisture • temperature • wind • sunlight • soil • water Abiotic factorsare nonliving things.
Producers (autotrophs) – make their own food. • get their energy from non-living resources. (sun) • provide energy for other organisms in an ecosystem
Consumers (heterotrophs)- organisms that get their energy by eating other living or once-living resources.
carbon dioxide + water + hydrogen sulfide + oxygen sugar + sulfuric acid Chemosynthesis – process in which an organism forms carbohydrates using chemicals instead of light.