WebThis is one of the first works of art: a sculpture of a fish; age: about 40,000 years ago. Fish (plural: fish or fishes) are a group of animals with bones which live in water and respire (get oxygen) from their gills . Fish used to be a class of vertebrates. Now the term covers five classes of animals that live in the water: WebApr 12, 2024 · Health Effects of PCBs. PCBs have been demonstrated to cause a variety of adverse health effects. They have been shown to cause cancer in animals as well as a number of serious non-cancer health effects in animals, including: effects on the immune system, reproductive system, nervous system, endocrine system and other health effects.
What Is the Definition of an Elasmobranch? - ThoughtCo
WebFishes are typically divided into three groups: superclass Agnatha (jawless fishes), class Chondrichthyes (cartilaginous fishes), and superclass Osteichthyes (bony fishes). The latter two groups are included within the infraphylum Gnathostomata (jawed vertebrates). Fish classification has undergone major revisions, and further modifications can be … WebDefinition of fishes in the Definitions.net dictionary. Meaning of fishes. What does fishes mean? Information and translations of fishes in the most comprehensive dictionary … city of austin vendor portal
Fish Definition & Meaning Britannica Dictionary
WebFeb 17, 2024 · Definition & Etymology of The Term ''Gills''. Gills are an essential organ for many aquatic animals in order for them to survive. Even some worms, mollusks, and some amphibians have gills. They ... WebPigmented spot with an indistinct outline or shape. body depth. The greatest straight-line height or depth of the body, from the dorsal to the ventral surface. branched. Split into 2 or more extensions at the tip, as in some fin rays. branchial cavity. The area contains the gills, often also includes the throat. WebFishes definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now! domino\u0027s church rd southaven ms