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Oceanic dispersal is a type of biological dispersal that occurs when terrestrial organisms transfer from one land mass to another by way of a sea crossing. Island hopping is the crossing of an ocean by a series of shorter journeys between islands, as opposed to a single journey directly to the destination.
Plankton is the term applied to any small drifting organisms that float in the sea (Greek planktos = wanderer or drifter). By definition, organisms classified as plankton are unable to swim against ocean currents; they cannot resist the ambient current and control their position.
(a) Some neustonic species lay eggs on floating objects and sometimes pelagic organisms (e.g., Halobates spp.), while others require surface floating objects for early life cycle stages (e.g., Dosima fascicularis [21]), still others may remain at or near the surface throughout a life cycle due to a dependence on endosymbiotic photosynthetic ...
"A 'sea pickle'? An animal that can grow to 60 feet long is washing up on the Oregon coast". USA Today. Huge pyrosome captured in the North Atlantic - story and images; Images taken by divers off southern California; The Bioluminescence Web Page; Divers with huge southern hemisphere pyrosomes; Millions of tropical sea creatures invade waters ...
These animals include sessile organisms (e.g. sponges, sea anemones, corals, sea pens, sea lilies and sea squirts, some of which are reef-builders crucial to the biodiversity of marine ecosystems), sedentary filter feeders (e.g. bivalve molluscs) and ambush predators (e.g. flatfishes and bobbit worms, who often burrow or camouflage within the ...
Siphonophorae (from Greek siphōn 'tube' + pherein 'to bear' [2]) is an order within Hydrozoa, which is a class of marine organisms within the phylum Cnidaria.According to the World Register of Marine Species, the order contains 175 species described thus far.
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Driftwood is wood that has been washed onto a shore or beach of a sea, lake, or river by the action of winds, tides or waves. It is part of beach wrack. In some waterfront areas, driftwood is a major nuisance. However, the driftwood provides shelter and food for birds, fish and other aquatic species as it floats in the ocean.