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  2. Aquatic plant - Wikipedia

    en.wikipedia.org/wiki/Aquatic_plant

    Terrestrial plants have rigid cell walls meant for withstanding harsh weather, as well as keeping the plant upright as the plant resists gravity. Gravitropism, along with phototropism and hydrotropism, are traits believed to have evolved during the transition from an aquatic to terrestrial habitat.

  3. Aquaponics - Wikipedia

    en.wikipedia.org/wiki/Aquaponics

    The work presented experiments on the co-cultivation of tilapia and tomatoes, showcasing the practicality of a recirculating system that supports both fish and plant production. [20] This research is among the efforts by a global community of researchers to develop modern aquaponics systems. Balarin and Haller conducted studies on the thermal ...

  4. Hydride - Wikipedia

    en.wikipedia.org/wiki/Hydride

    The hydride reacts with the weak Bronsted acid releasing H 2. Hydrides such as calcium hydride are used as desiccants, i.e. drying agents, to remove trace water from organic solvents. The hydride reacts with water forming hydrogen and hydroxide salt. The dry solvent can then be distilled or vacuum transferred from the "solvent pot".

  5. Aquaculture - Wikipedia

    en.wikipedia.org/wiki/Aquaculture

    Fish do not actually produce omega-3 fatty acids, but instead accumulate them from either consuming microalgae that produce these fatty acids, as is the case with forage fish like herring and sardines, or, as is the case with fatty predatory fish, like salmon, by eating prey fish that have accumulated omega-3 fatty acids from microalgae.

  6. Aquarium fish feed - Wikipedia

    en.wikipedia.org/wiki/Aquarium_fish_feed

    Fish food should ideally provide the fish with fat (for energy) and amino acids (building blocks of proteins) and the fish food (whether flake or pellet) must be speedily digested in order to prevent buildup of intestinal gas, kidney failure and infections (such as swim bladder problems and dropsy) and to avoid aquarium pollution due to ...

  7. Hydra (genus) - Wikipedia

    en.wikipedia.org/wiki/Hydra_(genus)

    Most hydra species do not have any gender system. Instead, when food is plentiful, many Hydra reproduce asexually by budding. A section of the body wall and an extension of the digestive cavity develops, creating a bud. [2] The buds grow into miniature adults and break away when mature. When a hydra is well fed, a new bud can form every two ...

  8. Water aeration - Wikipedia

    en.wikipedia.org/wiki/Water_aeration

    Natural aeration is a type of both sub-surface and surface aeration. It can occur through sub-surface aquatic plants. Through the natural process of photosynthesis, water plants release oxygen into the water providing it with the oxygen necessary for fish to live and aerobic bacteria to break down excess nutrients. [3]

  9. Jeanne Villepreux-Power - Wikipedia

    en.wikipedia.org/wiki/Jeanne_Villepreux-Power

    Villepreux-Power's work showed that they do indeed produce their own shells. [9] As a groundbreaking discovery, there was a considerable amount of backlash that she received for her work. [10] Villepreux-Power was also concerned with conservation, and is credited with developing sustainable aquaculture principles in Sicily. [15]

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