<span>b. gravel on the bottom of the aquarium</span>
An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system. <span>
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Biotic factors:
Plants
Microorganisms
Macroorganisms
This is false for sure (please thank and give me brainliest)
Answer:
Keystone Species
Explanation:
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
Answer:
A. ocean water has high salinity
Explanation:
which cause hurricanes, and other major storms,
