PDF-Fossilised Sharks Teeth

A tooth become a fossil when it is buried in sediment or other material soon after being lost from a sharks mouth The sediment precludes oxygen and harmful bacteria from reaching the tooth and. Chordata. Subphylum: Vertebrata. Superclass: . Gnathostomata. Class: . Chondrichthyes. Subclass: . Elasmobranchii. Order : . Carcharhiniformes. & . Pristiformes. . (. Blacktip. Shark and . By Jared. Basking Sharks have a big mouth for catching more fish . and. a pointed nose. The basking sharks are the second largest fish in the world. They grow up to 33 feet long. . Look Like. Where they live. . By. : . Wajeha. . khan. Table of contents . Chapter 1 :Environment , Chapter 2 :Survival , Chapter 3 : Characteristics , Chapter 4 : Development , Chapter 5 : Breeds , Chapter 6 : Fun Fact. . SARASOTA FINS © 2015 . www.sarasotafins.weebly.com. NOT ALL SHARKS . HAVE BABIES THE . SAME WAY.. How to tell female vs male shark apart:. Males have claspers (circled in red).. Kingdom: . Animalia. . Phylum: . Chordata. . Subphylum: . Craniata. . . Infraphylum. : . Vertebrata. Classification. Largest and most successful group of chordates. Notochord: replaced by bony or cartilaginous vertebrae (the backbone). By Cole Williamson. Skills of thresher sharks. .Use tail fin to attack or stun prey. .They are very stealthy by staying at bottom of sea. .Can swim up to 30 MPH. Body structure. 16.5- 20 ft. long. Has a huge a, long tale. white . sharks?. Dr Alison Kock. Photo: Jean Tresfon. Populations of large predatory sharks are in decline. Shark populations. Slow growth, late maturity and low reproductive output = vulnerable to human threats . Chordata. Subphylum: Vertebrata. Superclass: . Gnathostomata. Class: . Chondrichthyes. Subclass: . Elasmobranchii. Order : . Carcharhiniformes. & . Pristiformes. . (. Blacktip. Shark and . When a shark loses a tooth, where does the new one come from?. SHARKS . What has fins, sharp teeth, and swims in the ocean? A shark! Sharks . have been around for a very long time. Sharks have lived in the oceans even before dinosaurs roamed the earth! Sharks are fish, and there are over 400 types of sharks. When they have babies, the babies are called pups. . iola and Diana. Parts of sharks. How many fins does a shark have? . Tail fin. Dorsal fin. Anal fin. Pectoral fins. 640 × . Pelvic fin,. t. Vocab. Cartilage- cartilage is a strong rubbery gill, this helps the organ that helps it breathe. The Importance of Baby Teeth Although the process of teething can be a bit unpleasant, those tiny new teeth can play an important role in your baby’s healthy development. Even though they eventu FeatureIncreasingly, the message of conservation societies that sharks are more threatened by humans than Image problem: Ever since the release of Steven Spielberg’s summer blockbuster 39 years 2 and size depending on the species of shark. ey are direct adaptations for processing food and are tailored to the type of diet the shark eats. For example, a horn shark has molar-like teeth . khan. Table of contents . Chapter 1 :Environment , Chapter 2 :Survival , Chapter 3 : Characteristics , Chapter 4 : Development , Chapter 5 : Breeds , Chapter 6 : Fun Fact. .