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Seaweed occupies various ecological niches. At the surface, they are only wetted by the tops of sea spray, while some species may attach to a substrate several meters deep. In some areas, littoral seaweed colonies can extend miles out to sea. [citation needed] The deepest living seaweed are some species of red algae.
Other plants that colonised the sea, such as salt marsh plants, mangroves, and marine algae, have more diverse evolutionary lineages. In spite of their low species diversity, seagrasses have succeeded in colonising the continental shelves of all continents except Antarctica.
One of the largest aquatic plants in the world is the Bolivian waterlily, which holds the Guinness World Record of having the largest undivided leaf at 3.2 m (10 ft 6 in) diameter; the smallest is the rootless duckweed, which is only 1 mm (0.039 in) across.
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 ...
This is a list of plants organized by their common names. However, the common names of plants often vary from region to region, which is why most plant encyclopedias refer to plants using their scientific names , in other words using binomials or "Latin" names.
A number of studies from around the world have found that there is a wide range in the concentrations of C, N, and P in seagrasses depending on their species and environmental factors. For instance, plants collected from high-nutrient environments had lower C:N and C:P ratios than plants collected from low-nutrient environments.
Sea lettuce is common in both tropical and temperate waters. The algae forms flat sheets which either anchor themselves with holdfasts or float by trapping pearled air bubbles. Its growth rate is comparable to that of Chaetomorpha , is nearly as popular, and is similarly good at absorbing excess nutrients in aquariums, housing ...
The fruit, slightly fleshy and called in some places "sea olive", is similar to a drupe and has a porous pericarp and rich in an oily substance that allows flotation. When it rots, it releases a seed (coated by a thin membrane, but without a true and proper tegument), which falls to the bottom and, if it finds the right conditions of depth ...