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Marine botany is the study of flowering vascular plant species and marine algae that live in shallow seawater of the open ocean and the littoral zone, along shorelines of the intertidal zone, coastal wetlands, and low-salinity brackish water of estuaries. It is a branch of marine biology and botany.
Seagrass cell walls contain the same polysaccharides found in angiosperm land plants, such as cellulose [103] However, the cell walls of some seagrasses are characterised by sulfated polysaccharides, [104] [105] which is a common attribute of macroalgae from the groups of red, brown and also green algae.
While there many species that may be referred to as "hair algae", species in the genera Bryopsis and Derbesia are among the most common. Bryopsis plumosa is especially troublesome. Boodlea species are occasional in marine aquaria, and may be called "crunchy hair grass". Red hair algae (Polysiphonia) may also be a nuisance. [244]
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...
Phytoplankton (/ ˌ f aɪ t oʊ ˈ p l æ ŋ k t ə n /) are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater ecosystems.The name comes from the Greek words φυτόν (phyton), meaning 'plant', and πλαγκτός (planktos), meaning 'wanderer' or 'drifter'.
The most common adaptation is the presence of lightweight internal packing cells, aerenchyma, but floating leaves and finely dissected leaves are also common. [ 5 ] [ 6 ] [ 7 ] Aquatic plants only thrive in water or in soil that is frequently saturated , and are therefore a common component of swamps and marshlands .
The best coastal plants are known for their color, texture and movement as they shift and ripple in a sea breeze. If you live by the sea you'll need a selection of the best coastal plants that are ...
Marine plants can be found in intertidal zones and shallow waters, such as seagrasses like eelgrass and turtle grass, Thalassia. These plants have adapted to the high salinity of the ocean environment. Light is only able to penetrate the top 200 metres (660 ft) so this is the only part of the sea where plants can grow. [77]