PPT-Sharks, Mullet, and Mathematical Ecology

Using ODEs to model predatorprey relationships Chandler Shaeffer Imagine you have a closed system with a predator population and a prey population With the logistic map equation you have a set number of rabbits for each year However this isnt realistic. (Mugilidae) Habitats & FeedingAdult mullet live in shallow coastal areas, often in schools, over sand, mud or seagrass beds down to depths of about 10 m. They may enter rivers but do not necessarily r . 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. . BY: ALYSSA KRAHN, TESSAH WRIGHT, TAYLOR KURTZ. OVERALL HEALTH OF THE MULLET. The overall health of the mullet is good, it has a ph of 7 and is a good temperature . 2*C. . We know that its healthy cause tons of living organisms are living in it. The total solids though were a little more than they should . 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. What is a Mullet?. "Business in front and a party in the back.". Which one is more Mullet-y?. Which one is more Mullet-y?. Which one is more Mullet-y?. The Mullet Ratio. Business. Party. Business. Party. 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 . Genevieve Rogan, Austin Marrs, Janet Kim, Joe Liverman. What’s a . shark. ?. There are many different types of sharks, however experts agree that all sharks share a few common characteristics:. -They are all predators. Phylum . Chordata. Class . Chondrichthyes. Subclass . Elasmobranchii. Superorder. . Selachimorpha. Known as “sea dogs” until the 16. th. century. Name “shark” may have come from the . Yucatec. The Amazing History Of The Frilled Shark. Scientist believe that frilled sharks have been around just as long or even longer than the dinosaurs!. Even longer than jellyfish! . That is millions of years and that is a very long time .. By Sharon . Guynup. Summary. The article presents facts about the importance of sharks to the environment, their size, the threat they pose to people, the way they hunt and eat, their physiology, and their relationship to other aquatic creatures.. 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. . A shark is a fish – what is a fish?. Three types of ‘fin’ fish or ‘true fish’:. Jawless fish. : ~ 100 species. Primitive. Lack a jaw, cylindrical and elongated bodies, no scales or paired fins. Few commercial uses. e.g. Eels or snakes.