cartilage( adj. cartilaginous) A kind of strong connective tissue frequently discovered in joints, the nose and ear. In specific primitive fishes, such as sharks and rays, cartilage offers an internal structure– or skeleton– for their bodies.
chemical A compound formed from 2 or more atoms that unify (bond) in a repaired percentage and structure. For instance, water is a chemical made when 2 hydrogen atoms bond to one oxygen atom. Its chemical formula is H 2 O. Chemical likewise can be an adjective to explain residential or commercial properties of products that are the outcome of numerous responses in between various substances.
defense( in biology) A natural protective action taken or chemical reaction that happens when a types face predators or representatives that may damage it. (adj. protective)
eel A fish with a snake-like body and no scales. Numerous move from freshwater to seawater when it’s time to generate.
eye( in climatic sciences) The approximately circular location of relatively light winds that incorporates the center of a serious cyclone. The eye is either entirely or partly surrounded by the eyewall cloud.
fossil Any maintained remains or traces of ancient life. There are several kinds of fossils: The bones and other body parts of dinosaurs are called “body fossils.” Things like footprints are called “trace fossils.” Even specimens of dinosaur poop are fossils. The procedure of forming fossils is called fossilization.
gills The breathing organ of the majority of water animals that filters oxygen out of water. Fish and other water-dwelling animals utilize gills to breathe.
hagfish Slimy, eel-shaped fish without hinging jaws, whose skeletons are made from bendy cartilage instead of difficult bone, and with eyes far easier than those of other fish. Like lampreys, they are thought about to be “living fossils” comparable to the early family members of vertebrates that lived numerous countless years earlier.
organism Any living thing, from elephants and plants to germs and other kinds of single-celled life.
predator( adjective: predatory) An animal that takes advantage of other animals for the majority of or all of its food.
sea An ocean (or area that becomes part of an ocean). Unlike lakes and streams, seawater– or ocean water– is salted.
quality A particular function of something. (in genes) A quality or attribute that can be acquired.