EcosystemMedium
Question
An ecosystem, such as an aquarium, is self-sustaining if it involves the intraction between organisms, A flow of energy, and the presence of
Options
A.equal number of plants and animals
B.more animals than plants
C.materials cycles
D.pioneer organisms
Solution
If a ecosystem is to be self-sustaining, materials suchas oxygen, carbon dioxide, water and nitrogen must be able to recycle between the organisms.
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