5 Gill Slits Sharks breathe by extracting oxygen from From the outside these are visible as 2 small holes. 0000556171 00000 n 0000540895 00000 n In the human eye, we have muscles that control the shape of our lens and focuses light signals on the retina. 0000552839 00000 n 0000001696 00000 n H�lWɎE��W��>�veU�vC�E �@3��3/��~3HȒ�dwUu.��Qﶴ�ݽ�Q[�s��H-���~����m���K�6,iG�d�l�-mɬձ_�(�fw�/�eX�u�>n��zL�go���������;ۯt ����>���>�������[��~X�c��H���~|�ݛ��4�����?������~��~��d�ŵ/�?֓7��/_�t����=������;:ir�3 ���nEb�~��ۭ���o���ܓ���nk��v�@4�f?�ȝI���2���̣�ⶼ�� &=lo�qT�X���pH�4g�{?r 0000019456 00000 n SHARK GILLS Sharks, like other fish, live in the water and use their gills to filter oxygen from the water. Or that they have a layer of reflective crystals behind them? By contrast, the lens in a sharks eye does not change shape. Making them one of the most agile animals in the ocean. This is the part of the shark anatomy that enables sharks to have the ability to see in low light. 0000576848 00000 n 0000523941 00000 n Each eye has an upper and lower eyelid, but they have no protective function. The basic teleost eye (see anatomy diagram above) like all vertebrate eyes, consists of an outer case called the sclera, which is only transparent in front of the lens (when it is called the ‘cornea’). Behind their retina, is the tapetum lucidum; this is a layer that is comprised of silver guanine crystals that reflects light as it exits the eye. 0000555292 00000 n h�b``pf``g � WT��,ؐD����A�A��7�3�aK��� �-GK���=Q�c���ƿ���\��B0Z0�0�`r`>����d��y@0���A$�c�y��}R�� �����s�р1���H�H�&�($n r� ���W���Ҝ��7�wDW9�\ �� �//k endstream endobj 5 0 obj <>>> endobj 6 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/TrimBox[0.0 0.0 4464.57 2296.06]/Type/Page>> endobj 7 0 obj <> endobj 8 0 obj <> endobj 9 0 obj <> endobj 10 0 obj [/ICCBased 21 0 R] endobj 11 0 obj [/ICCBased 22 0 R] endobj 12 0 obj <>stream Scientists believe that this is mostly to protect the eye during feeding. 0000557124 00000 n Procedure 0000036188 00000 n The iris of a white shark is not black, it’s a very dark blue. Some sharks have nictating membranes, which close and protect the eyes when the shark is feeding or close to an object. trailer <<3CAA7291921449318AEB843E2C27D97B>]/Prev 1420286>> startxref 0 %%EOF 73 0 obj <>stream 0000524054 00000 n ► Download our Shark Anat… Let’s take a look at what other parts of the shark come into play while understanding its anatomy. 0000552435 00000 n Another exceedingly interesting physical attribute unique to these sharks is their eyes. Print them back-to-back with the Shark Anatomy Images or with the Shark Anatomy Answer Cards using cardstock or stiff paper. You may also choose to write your own. The crystals reflect light that has already passed through the retina and redirects it back … 3.- Eyes. The eyes are very small, and they contain Spiracles behind and above them. 0000892607 00000 n Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. "They actually have pretty good vision. with the Shark Anatomy Images or with the Shark Anatomy Answer Cards using cardstock or stiff paper. The fact that shark vision is monochromatic does not mean they lack visual acuity. %PDF-1.5 %���� Affiliate Disclaimer AnimalCorner.co.uk is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. 0000553864 00000 n Shark skeletons are made of cartilage. 0000529640 00000 n Anatomy of a Great White Shark Eye White sharks do not have eyelids, instead they roll their eyes back for protection. 0000553313 00000 n Sharks posses the basic eye structure that is found in all vertebrates, but with some modification. 0000554740 00000 n 0000555769 00000 n The snout resembles a dogs hence the name. 0000004246 00000 n Sharks have a pair of eyes located on the sides of the head to see forward, backward, upward and downward. 0000554813 00000 n Sharks have an acute sense of hearing and are sensitive to low-frequency signals. )܇�r�&�U��1p>W'�j�( ��(��d�`v���1f�1���H����Gq�FdMo[žl(���Y�Hӥ"ަ��Nm|P�Q>����c�as��S� .L>�9������hVf�s�s]Gr�ޗJk"��G>׆��q�5��(��f��L�b9�#'��)u�jc���[>"�����S،�J��f�Ȝ#�^�v�c�l�F��t�aO6. Being lighter helps a shark to stay afloat and reduces the amount of energy they need to move about. "One of the most misunderstood aspects of a great white shark is its eyes," he explains. 0000068362 00000 n 0000002062 00000 n 0000134108 00000 n 0000524177 00000 n Nostril: Unlike humans, sharks don’t breathe through their nostrils. Sharks posses the basic eye structure that is found in all vertebrates, but with some modification. Sharks, like cats who also see well in dim light, have a mirror-like layer in the back of the eye, the tapetum lucidum. 0000002716 00000 n anatomy of a shark - shark eye stock pictures, royalty-free photos & images. 0000551960 00000 n Dorsal Fin. The Secret of a Shark's Eyes Did you know that great white sharks have an almost identical eye structure to humans? This page will be mainly focussing on the structure of the different shark eyes as unlike humans which have one ‘standard’ eye design, sharks, skates and rays have multiple eye designs depending on the lifestyle and ecology of a species. 0000557600 00000 n The dorsal fin is the infamous protruding cartilage that sits atop the shark’s smooth surface. 0000557197 00000 n Fish Eye Anatomy. 0000052014 00000 n 0000528548 00000 n 0000550459 00000 n 0000117450 00000 n cL)�Ӹn�((kv~t/�4,,�Ԟ��`�#W�l���.�g3�|�H���)t��q�8\��8n(��}؆G�:�6| ͏��b�x[� Each student or student pair will need one card. The structure consists of a layer of parallel, saucer-like cells containing silver guanine crystals. Kindly say, the anatomy of spiny dogfish shark eye is universally compatible with any devices to read dev2020.bakhtarnews.com.af anatomy of spiny dogfish shark The spiny dogfish has dorsal fins, no anal fin, and white spots along its back. Essentially the structure consists of a layer of parallel, plate-like cells filled with silver guanine crystals. 0000001966 00000 n Eye: Sharks have outstanding eyes that can see in very low light. The shark eye has a reflecting layer called a tapetum lucidum located behind the retina. 0000555696 00000 n 0000554266 00000 n The caudal fin has asymmetrical lobes, forming a heterocercal tail. These are made up of 3 cartilage tubes filled with fluid and lined with hair cells. 0000101388 00000 n 0000541537 00000 n 0000556244 00000 n 0000553791 00000 n 0000529753 00000 n smiley ray in the aquarium, dubai, uae - shark eye stock pictures, royalty-free photos & images. 0000101182 00000 n 3. 0000531550 00000 n Dogfish shark dissection for muscles, including extrinsic eye muscles. As the top predators in the ocean, great white sharks (Carcharodon carcharias) … The flexibility of cartilage also allows them to make tight turns quickly. Look into the great white shark anatomy mentioned here for further reading. divers in a cage with great white shark underwater - shark eye stock pictures, royalty-free photos & images. 0000531189 00000 n Their ancestry dates back more than 400 million years, and they are one of evolution’s greatest success stories. Shark Anatomy (Internal) ... Like cats, a shark's eye contracts or expands to alter the size of the pupil, according to how much light there is. The body is divided into the head, trunk, and tail. This is strong and durable, yet much more flexible and lighter than bone. 4 0 obj <> endobj xref 4 70 0000000016 00000 n 0000541152 00000 n The cells reflect light back onto the retina. Ocular anatomy and optics. Shark tissue looks to contain antibacterial and anticoagulant properties that could be used for treating viruses and cystic fibrosis. 0000567224 00000 n The Greenland shark’s caudal fin is asymmetrical, and although they do not own anal fins, their short, wide tails aid in short acceleration bursts. Sharks are thought to be able to see very focused images. 0000550210 00000 n The shark has a graceful and streamlined body shape built for fast, long distance swimming. 0000004211 00000 n At Shark Eyes, we have all the latest in innovative fashion sunglasses styles & the latest trends like polarized & mirrored lenses, wayfarer, heart shapes, novelty wrap-around, aviator, butterfly, rimless, cat eye, round, square, sports sunglasses, retro 80’s, vintage, and practically any other type of wholesale sunglasses & eyewear in existence. In contrast, some species have a nictitating membrane to protect their … Shark Anatomy. Additionally, a shark’s retina is significant in that it contains both rod and cone cells, which is rare among deep sea fish as most have all rod retinas. 0000555219 00000 n Scientists can tell the age of a shark by counting the rings on their backbone! In the back of the eye there is a layer of cells known as the tapetum lucidum. Sharks have exceptional eyes that enable them to see acutely, even in low light. Essentially the structure consists of a layer of parallel, … When water passes over the gills, a system of very fine blood vessels (capillaries) in the gills takes up (absorbs) oxygen from the water. 0000084809 00000 n The shark eye has a reflecting layer called a tapetum lucidum located behind the retina. Shark eyes have the same important basic structures of the eye that we have: a retina, cornea, lens, pupil, and iris. See more ideas about Shark, Eyes, Eye close up. 0000551887 00000 n 0000552912 00000 n You may also choose to write your own. 0000003748 00000 n These animals are uniquely adapted to their ocean environment with six highly refined senses of smell, hearing, touch, taste, sight, and even electromagnetism. 0000530900 00000 n External Anatomy of the Dogfish Shark; Examine the side view photographs of the spiny dogfish shark by clicking the blue lettered links in the column to the right. Sharks are much older than dinosaurs. Make copies of the Shark Anatomy Language Frame or project it and have students use their notebooks to write answers. 0000131460 00000 n 0000550933 00000 n 0000004176 00000 n Gather shark and ray images and information from nonfiction resources and websites. Loading ... anatomy of the sheep brain video for anatomy class - practice for the practical exam - Duration: 19:00. And have students use their GILLS to filter oxygen from the water tapetum located. 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