Commerson's dolphins are basically aquatic pandas.
A special ecological place is occupied by the polar bear, which is at home in the sea, on the sea ice, and on land but which is essentially an aquatic animal.
Algal blooms essentially create an aquatic apocalypse.
Products that will accomplish this, he said, include Bactimos, Vectobac and Altosid, all of which can be purchased from the Clarke Mosquito Control Products in Roselle, Ill., (800) 323-5727; and Mosquito Dunks, manufactured by March Biological Control in Sherwood, Ore ."They're all essentially harmless to other aquatic organisms," Dr. Potter said.
Lichens occur in essentially all terrestrial and some aquatic habitats [4].
Sufficient measured data exist to quantify the acute and chronic aquatic toxicity of essentially pure alcohols and mixtures of these alcohols to fish, invertebrates, and algae (OECD, 2006).
Amphibians evolved from fully aquatic tetrapods—(which were essentially "limbed fish") who descended from lobe-finned fish sometime between the Early Devonian Period (which began 419 million years ago) to the Early Pennsylvanian Subperiod (which began 323 million years ago).
Aquaculture is commonly defined as the farming of aquatic plants and animals, essentially agriculture at sea.
Ice-penetrating radar and gravity readings show that a ridge essentially separates the lake into two basins, whose aquatic ecosystems may differ chemically and biologically.
