Shark definition
WebbShark dentitions may be homodont, consisting of teeth all with similar form. However, heterodont dentitions in which tooth form varies between different regions of the jaws are common. Heterodont dentitions combine different functions, such as grasping and cutting, or grasping and crushing. Webbnoun. any of a group of elongate elasmobranch, mostly marine fishes, certain species of which are large, voracious, and sometimes dangerous to humans.
Shark definition
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WebbShark Physical Characteristics. There are more than 400 shark species in the ocean, but they all have the same basic anatomy. This astonishing anatomy masterfully designed by evolution is what sets sharks apart … WebbSharks invest a lot of energy into producing a few, well-developed young. There are 3 main methods of reproduction: oviparity (egg-laying), ovoviviparity and vivparity (live birth). Shark Senses. Many shark species …
Webb27 feb. 2024 · A loan shark is a person or business that charges a higher interest rate for loans than is allowed by law. Maximum interest rates are typically set at the state level, so an entity is considered a loan shark if it lends above the legal interest rate in the state in which it does business. Loan sharks use threats of various kinds to obtain ... Webb22 nov. 2024 · Shark Life Cycle Starts: Birth. A shark mother births baby sharks known as pups. Shark litters can be quite small and some species may only birth two pups. However, it is not uncommon for shark litters …
Webbshark noun [C] (FISH) B1. a large fish that has sharp teeth and a pointed fin on its back: a great white shark. a basking shark. The movie "Jaws" is about a man-eating shark. … WebbShark Fact #49. Although rare, a female shark can reproduce without any contact from a male. This is called parthenogenesis. Scientists have only documented a couple of cases, but some suspect that perhaps any female shark can …
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WebbAny of various orders of cartilaginous fishes that are usually large and mostly marine, having a tough, spiny, usually slate-gray skin, separate lateral gill openings, and a … cigna healthspring medicare part dWebbRT @LizzieLuckk: and they are defining public displays of gender non-confirmity to be sexual crimes against children. do the math. this is the part we’re at now. dhhsusgrantonlineserviceWebbShark. A company that is offering or executing a hostile takeover. If a firm makes an offer to shareholders to acquire a publicly-traded company after the board of directors … cigna healthspring preferred hmo providersWebbBritannica Dictionary definition of SHARK. [count] 1. : a large and often dangerous sea fish with very sharp teeth — see color picture on this page. 2. informal : a person who gets money from people by deceiving or cheating them. especially : a person who wins money in a game by playing well and by being dishonest. a pool shark. a card shark. cigna healthspring preferred hmo doctorsWebbNoun. 1. shark - any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales. … cigna healthspring preferred plusWebbThe spiracle is a vestigial first gill slit. It appears as an opening behind the eye, as in the spiny dogfish photo below. It is absent or reduced in many sharks, especially the fast swimming sharks and is usually larger and present in sedentary or bottom dwelling sharks. The spiracle in sharks is used to provide oxygenated blood directly to ... cigna healthspring preferred hmo benefitsWebbSharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the … cigna healthspring price medication