freshwater pollution
91animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… …
92Phragmites — This article is about the common reed. For other plants called reed, see Reed (plant). Phragmites Phragmites australis seed head in winter Scientific classification …
93Onondaga Lake — Location Onondaga County, New York, USA Coordinates …
94Aquatic ecosystem — An aquatic ecosystem is an ecosystem located in water bodies. Communities of organisms that are dependent on each other and on their environment live in aquatic ecosystems. The two main types of aquatic ecosystems are marine ecosystems and… …
95Baiji — This article is about the dolphin. For other uses, see Baiji (disambiguation). Baiji[1] An illustration of the Baiji …
96Spawn (biology) — The spawn (eggs) of a clownfish. The black spots are the eyes developing. Spawn refers to the eggs and sperm released or deposited, usually into water, by aquatic animals. As a verb, spawn refers to the process of releasing the eggs and sperm,… …
97Deep sea fish — Humpback anglerfish Deep sea fish is a term for any fish that lives below the photic zone of the ocean. The lanternfish is, by far, the most common deep sea fish. Other deep sea fish include the flashlight fish, cookiecutter shark, bristlemouths …
98Stream bed — The bed of this stream is armored with rocks, some very rounded (having had a longer life in the stream) and some not. A stream bed is the channel bottom of a stream, river or creek; the physical confine of the normal water flow. The lateral… …
99Aquatic insects — A water beetle A whirligig beetle Aquatic insects live some portion of their life cycle in the water. They feed in the same way …
100Lake stratification — Lake zones Littoral zone Limnetic zone Profundal zone Bent …
