In Biology and Ecology, a resource is a substance or object in the environment required by an organism for normal growth, maintenance, and reproduction. Resources can be consumed by one organism and, as a result, become unavailable to another organism. For plants key resources are light, nutrients, water, and place to grow. For animals key resources are food, water, and territory.
Key resources for plants
Key resources for animals
Resources and ecological processes
Resource availability plays a central role in ecological processes:
- Abiotic component
- Biotic component
- Community ecology
- Population ecology
- Plant ecology
- size-asymmetric competition
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