WebDownload scientific diagram Diagram of whole shark with primary and secondary fin sets labelled. Three common fin cuts are illustrated. (Figure modified from Anderson and Hudha [1993]; S. Fowler ...
Blacktip reef shark diagram web - Seattle Aquarium
WebDorsal Fin. The dorsal fin is the infamous protruding cartilage that sits atop the shark’s smooth surface. Triangular in shape and rigid in its texture, this fin can spark fear and is a way of warning those around of an approaching shark or one that is in the surrounding area. There are two other kinds of fins on a shark that not all breeds have. Webinside the shark. From the cloaca make transverse cuts around the shark. From the pectoral girdle make transverse cut around dorsally. See Figure 5 for a diagram of dissection incisions. Pin the body wall flaps to the side that will expose the abdominal cavity. With the aid of Figure 6 identify the following organs: justin fields highlights raiders
Phylogenetic trees Evolutionary tree (article) Khan Academy
WebSharks have 2 types of muscle - red and white. Red muscle works by breaking down the fat in the shark’s body. It has a good blood supply and helps the shark swim for long periods of time. White muscle works by … Fins allow for the sharks to be able to guide and lift themselves. Most sharks have eight fins: a pair of pectoral fins, a pair of pelvic fins, two dorsal fins, an anal fin, and a caudal fin. Pectoral fins are stiff, which enables downward movement, lift and guidance. The members of the order Hexanchiformes have only a … See more Shark anatomy differs from that of bony fish in a variety of ways. Variation observed within shark anatomy is a potential result of speciation and habitat variation. See more These evolved synapomorphies are crucial for the current sharks lifestyle, for example, the pharyngeal slit changed to become the jaw and See more Shark teeth are strong and made of enamel. Many sharks have 3 rows of teeth. These teeth are embedded in the gums, not the jaw. Sharks are born with teeth that are constantly being replaced. Teeth are replaced every two weeks, approximately. The shape of the … See more The stomach terminates at the pylorus, that leads to the duodenum, and then to the spiral valve. The spiral valve is a coiled organ, it increases … See more The five chordate synapomorphies are present in chondrichthyes as follows. The five synapomorphies are pharyngeal slit, dorsal nerve cord, notochord, Endostyle, and the post-anal … See more Sharks are cartilaginous fish. The skeleton of a shark is mainly made of cartilage. They belong to the class of Chondrichthyes. In … See more The liver is a large and oily organ that comprises 25% of the total body weight of the shark. The two purposes of this organ in the shark are to store energy and oil. The liver is a … See more WebThe common name bull shark comes from both its strong stocky appearance and aggressive nature. It’s found in tropical and subtropical waters worldwide and tends to … laundry room colors with red washer and dryer