Explore: Introduced Aquatic Organisms

contain communities of organisms—aquatic life—that are dependent on each other and on their environment. The two main types of aquatic ecosystems are marine

the controversy surrounding introduced species. The effect of genetically modified organisms varies from organism to organism and is still being researched

across species (creating transgenic organisms), and even across kingdoms. Creating a genetically modified organism is a multi-step process. Genetic engineers

ships. Ballast water tanks transport an estimated 7,000 aquatic organisms per day. Invasive aquatic species such as the zebra mussel and sea lamprey have

effect on photosynthesis of aquatic plant communities". Aquatic Botany. Photosynthesis and Photorespiration in Aquatic Organisms. 34 (1): 5–25. Bibcode:1989AqBot

flow of energy through living things within an ecosystem. All living organisms can be organized into producers and consumers, and those producers and

many types of aquatic photosynthetic organisms, both macroscopic multicellular organisms like seaweed and microscopic unicellular organisms like cyanobacteria

mix these organisms as activated sludge or circulate water past organisms living on trickling filters or rotating biological contactors. Aquatic vegetation

aquatic ecosystems in global biogeochemical cycles. Limnology is closely related to aquatic ecology and hydrobiology, which study aquatic organisms and

cultivation ("farming") of aquatic organisms such as fish, crustaceans, mollusks, algae and other organisms of value such as aquatic plants (e.g. lotus). Aquaculture