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  2. List of commonly used taxonomic affixes - Wikipedia

    en.wikipedia.org/wiki/List_of_commonly_used...

    Meaning: a prefix used to make words with a sense opposite to that of the root word; in this case, meaning "without" or "-less". This is usually used to describe organisms without a certain characteristic, as well as organisms in which that characteristic may not be immediately obvious.

  3. Glossary of fishery terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_fishery_terms

    Anadromous – fish that live their adult lives in the ocean but migrate up fresh water rivers to spawn. Examples are Pacific salmon. Fish that migrate in the opposite direction are called catadromous. Anoxic sea water – sea water depleted of oxygen. See hypoxia. Anoxic sediments – sediments depleted of oxygen.

  4. List of U.S. state fish - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_fish

    (sport fish) Micropterus dolomieu: 2005 [61] Channel catfish (state commercial fish) Ictalurus punctatus: 1987 [61] Texas: Guadalupe bass (freshwater) Micropterus treculii: 1989 [62] Red drum (saltwater) Sciaenops ocellatus: 2011 [62] Utah: Bonneville cutthroat trout: Oncorhynchus clarkii (subspecies utah) 1997 [63] Vermont: Brook trout (cold ...

  5. Precociality and altriciality - Wikipedia

    en.wikipedia.org/wiki/Precociality_and_altriciality

    Examples of precocial birds include the domestic chicken, many species of ducks and geese, waders, rails, and the hoatzin. Precocial birds can provide protein-rich eggs and thus their young hatch in the fledgling stage – able to protect themselves from predators and the females have less post-natal involvement.

  6. Chicken or the egg - Wikipedia

    en.wikipedia.org/wiki/Chicken_or_the_egg

    The first amniote egg – that is, a hard-shelled egg that could be laid on land, rather than remaining in water like the eggs of fish or amphibians – appeared around 312 million years ago. [6] In contrast, chickens are domesticated descendants of red junglefowl and probably arose little more than eight thousand years ago, at most. [7]

  7. Ohio hooks walleye as official state fish. What to know about ...

    www.aol.com/ohio-hooks-walleye-official-state...

    Ohio is reeling in an official state fish, the walleye. During a marathon session on June 26 before legislators break for the summer, the Ohio House approved H.B. 599, naming the walleye Ohio's ...

  8. Egg - Wikipedia

    en.wikipedia.org/wiki/Egg

    Eggs of various birds, a reptile, various cartilaginous fish, a cuttlefish and various butterflies and moths. (Click on image for key) Diagram of a fertilized chicken egg in its ninth day. Membranes: allantois, chorion, amnion, and vitellus/yolk. Six commercial chicken eggs — view from the top against a white background

  9. Glossary of bird terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_bird_terms

    A viable bird egg (as opposed to a non-viable egg: see addled eggs) consists of a number of structures. The eggshell is 95–97% calcium carbonate crystals, at least in chickens, stabilized by a protein matrix, [ 163 ] [ 164 ] [ 165 ] without which the crystalline structure would be too brittle to keep its form; the organic matrix is thought to ...