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  2. Marine microbial symbiosis - Wikipedia

    en.wikipedia.org/wiki/Marine_Microbial_Symbiosis

    They emit light during night time to camouflage themselves against the moon and star light coming down the ocean. It helps them to avoid predators. The symbiosis process begins when Peptidoglycan shed by the sea water bacteria comes in contact to the ciliated epithelial cells of the light organ. It induces mucus production in the cells.

  3. Cockle (bivalve) - Wikipedia

    en.wikipedia.org/wiki/Cockle_(bivalve)

    As is the case in many bivalves, cockles display gonochorism (the sex of an individual varies according to conditions), [3] and some species reach maturity rapidly. The common name "cockle" is also given by seafood sellers to a number of other small, edible marine bivalves which have a somewhat similar shape and sculpture, but are in other ...

  4. Marine food web - Wikipedia

    en.wikipedia.org/wiki/Marine_food_web

    Some larger zooplankton also feed on smaller zooplankton. Some zooplankton can jump about a bit to avoid predators, but they can't really swim. Like phytoplankton, they float with the currents, tides and winds instead. Zooplankton can reproduce rapidly, their populations can increase up to thirty per cent a day under favourable conditions.

  5. Diel vertical migration - Wikipedia

    en.wikipedia.org/wiki/Diel_vertical_migration

    Species that are better able to avoid predators also tend to migrate before those with poorer swimming capabilities. Squid are a primary prey for Risso's dolphins (Grampus griseus), an air-breathing predator, but one that relies on acoustic rather than visual information to hunt. Squid delay their migration pattern by about 40 minutes when ...

  6. Chiton glaucus - Wikipedia

    en.wikipedia.org/wiki/Chiton_glaucus

    In estuarine sites Chiton glaucus are found under bivalve shells and stones, particularly cockles as to avoid visual predators during daylight hours. [2] This is compared to being found on stones and cobbles in more exposed areas. [2] This chiton is able to survive in muddy areas, particularly estuaries. [7]

  7. Anti-predator adaptation - Wikipedia

    en.wikipedia.org/wiki/Anti-predator_adaptation

    Anti-predator adaptation in action: the kitefin shark (a–c) and the Atlantic wreckfish (d–f) attempt to prey on hagfishes. First, the predators approach their potential prey. Predators bite or try to swallow the hagfishes, but the hagfishes have already projected jets of slime (arrows) into the predators' mouths.

  8. Marine biogenic calcification - Wikipedia

    en.wikipedia.org/wiki/Marine_biogenic_calcification

    Various body parts of the crustacean will have a different mineral content, varying the hardness at these locations with the harder areas being generally stronger. This calcite shell provides protection for the crustaceans, meaning between molting cycles the crustacean must avoid predators while it waits for its calcite shell to form and harden.

  9. Caribbean reef squid - Wikipedia

    en.wikipedia.org/wiki/Caribbean_reef_squid

    The Caribbean reef squid is the only squid species commonly sighted by divers over inshore reefs in the Florida, Bahamas and Caribbean regions. They are also found around Brazilian reef habitats, due to a symbiotic relationship in which the squid protect juvenile fish from open-ocean predators. [5]