Curated category
Aquatic ecology
- Water pollutionWater pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively…
- EstuaryThe word estuary comes from the Latin term aestuarium, meaning tidal inlet of the sea. This root derives from aestus, which translates to tide.
- WetlandA wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only…
- FishAbout 530 million years ago during the Cambrian explosion, fishlike animals with a notochord and eyes at the front of the body appeared in the fossil record.