The nostrils of a shark are and external part of the shark anatomy and on the ventral side of their bodies. A sharks sense of smell is unbelievably keen.
The anal fin on the underside of the shark serves the same purpose.
External anatomy of a shark. The external anatomy of a shark the external anatomy of sharks varies considerably between the approximately 370 known species. For example they can detect a drop of blood hundreds of feet away. Choose from 500 different sets of shark external anatomy flashcards on quizlet.
Some species of sharks have barbells otherwise known as whiskers near their nostrils. There are also some detail like shark external anatomy snout nostril eye spiracle mouth labial furrows in shark external anatomy. The body is divided into the head trunk and tail.
These large openings are behind the eyes and are actually reduced first gill slits in the jawed fish. Scales embedded in the skin provides shark with rough texture consist of two openings incurrent and excurrent separated by ram jet ventilation and feeding. External reproductive organ of male sharks theyre calcified when its mature dorsal fin used for stabilization and to assist in sudden turns located on the top of its body.
Learn shark external anatomy with free interactive flashcards. This allows a shark to breath even when its mouth is closed or when it is feeding. The diagram above does not represent any one species of shark but rather is a compilation of the features posessed by many different species.
The spiny dogfish has a double dorsal fin. The line is made up of a series of tiny pores that lead to receptors that are sensitive to the mechanical movement of water and sudden changes of pressure. There are head trunk and tail parts.
They have a tail and the wings to help balance everything and to give it speed and while there is no evidence that the dynamic design of airplanes came from the shark anatomy it does make sense. External anatomy of the dogfish shark the shark has a graceful and streamlined body shape built for fast long distance swimming. Shark external anatomy in this image you will find three part of external body.
The anatomy of a shark resembles the design of an airplane. Labial groove and pouch found skinplacoid scalesdermal denticles scales embedded in the skin provides shark with rough texture nares consist of two openings. External anatomy of the dogfish shark.
The spiracle serves as an incurrent water passageway leading to the mouth. The anterior dorsal fin is larger than the posterior dorsal fin.
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