It inhabits the alimentary canal of certain aquatic worms.
Many species are similar in appearance to certain aquatic grasses and other aquatic flowering plants.
Certain aquatic animals, for example, move from deep water to the surface according to the season.
Certain aquatic animals are capable of eliminating gaseous ammonia derived from protein breakdown by way of specialized cells in their gill tissues.
In some Latin American countries eggs of certain aquatic bugs are collected by providing submerged mats of hollow reeds or straws as egg-laying sites; the eggs are then dried and made into cakes.
The field work, led by Norman Pace, a biologist at the University of Colorado Boulder, and financed by the Sloan Foundation, is beginning to map the ecological niches favored by certain aquatic organisms, which could lead to better screening methods and better water treatment.
For some drugs, the concentrations reported in certain aquatic environments raise the concern of causing harm to environmental species.
Therefore, a discussion on species sensitivity would be based on speculation regarding toxicity such as metabolic capacity of certain aquatic species that allow the bioactivation of PSOA resulting in, e.g., oxidative stress.
Overdraft can have negative impacts on certain aquatic flora and fauna in California.
Certain aquatic animals such as fish, amphibians, and mollusks that consume algae and such can help to make a living wall a complete, essentially self-sustaining ecosystem.
The decisive criterion is the length of time a given mass of water resides within a certain part of an aquatic ecosystem, a concept clearly related to flow rates.
