Why do ecosystems have the potential to be sustainable over long periods?
Why do ecosystems have the potential to be sustainable over long periods?

Why do ecosystems have the potential to be sustainable over long periods?
How is the supply of inorganic nutrients maintained in ecosystems?
How do autotrophs obtain inorganic nutrients, and what is the role of the abiotic environment?
How does a community interact with the abiotic environment to form an ecosystem?
What forms a community, and what interactions are involved?
What are saprotrophs, and how do they obtain nutrients through external digestion?
What are detritivores, and how do they acquire organic nutrients?
What are consumers, and how do they obtain their nutrients?
What are the two main types of nutrition in species, and can some species exhibit both methods?
How can members of the same species become reproductively isolated in different populations?
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