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Expandable water toys (also grow-in-water toys or grow monsters) are novelty items made from a superabsorbent polymer. They are toys that expand after putting them into water for anything from a few hours up to several days, depending on size. They shrink in saltwater or when exposed to air.
Broodstock can be a population of animals maintained in captivity as a source of replacement for, or enhancement of, seed and fry numbers. [1] These are generally kept in ponds or tanks in which environmental conditions such as photoperiod, temperature and pH are controlled. Such populations often undergo conditioning to ensure maximum fry output.
Houttuynia cordata is a herbaceous perennial plant that can grow to 0.6–1 m (2 ft 0 in – 3 ft 3 in), spreading up to 1 m (3 ft 3 in). [2] [1] The proximal part of the stem is trailing and produces adventitious roots, while the distal part of the stem grows vertically.
Aquatic plants have adapted to live in either freshwater or saltwater. Aquatic vascular plants have originated on multiple occasions in different plant families; [5] [9] they can be ferns or angiosperms (including both monocots and dicots). The only angiosperms capable of growing completely submerged in seawater are the seagrasses. [10]
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Liquidambar, commonly called sweetgum [2] (star gum in the UK), [3] gum, [2] redgum, [2] satin-walnut, [2] styrax or American storax, [2] is the only genus in the flowering plant family Altingiaceae and has 15 species. [1] They were formerly often treated as a part of the Hamamelidaceae. They are native to southeast and east Asia, the eastern ...
This is the story of how seeds came together bit-by-bit over a really long time, as plants evolved. Skip to main content. News. 24/7 help. For premium support please call: 800-290 ...
A fish hatchery is a place for artificial breeding, hatching, and rearing through the early life stages of animals—finfish and shellfish in particular. [1] Hatcheries produce larval and juvenile fish , shellfish , and crustaceans , primarily to support the aquaculture industry where they are transferred to on-growing systems, such as fish ...