Webb31 maj 2024 · Gigantoraptor. Gigantoraptor erlianensis. Gigantoraptor by Nobu Tamura - CC BY-SA 1.0, Link. At nearly five metres tall and eight metres long, it was possibly the largest feathered dinosaur/bird in history, and may have weighed up to 2,000kg. It had no teeth, and strange claws at the end of its wings. 7. Webbwhale shark, (Rhincodon typus), gigantic but harmless shark (family Rhincodontidae) that is the largest living fish. Whale sharks are found in marine environments worldwide but mainly in tropical oceans. They …
7th Grade Science Quiz 24 Flashcards Quizlet
Webb18 apr. 2024 · Squalus acanthias. This long, slender dogfish has a pointed snout, large eyes, and spines in front of its two dorsal fins. It is a brownish slate color, fading to a pale underbelly, with rows of white spots down its upper body that fade with age. These migratory, schooling sharks spend winters in deeper water where they possibly don’t eat ... Webb5 juli 2024 · These snazzy-looking sharks have a fun scientific name, too: Etmopterus benchleyi, after Peter Benchley, the author of the book "Jaws" (Doubleday: 1974). Ninja laternsharks are small, growing to ... city cleanup corps nyc application
Shark Anatomy - Shark Facts and Information
Webb6 nov. 2024 · Fast Facts: Nurse Shark Scientific Name: Ginglymostoma cirratum Distinguishing Features: Brown shark with rounded dorsal and pectoral fins and broad head Average Size: Up to 3.1 m (10.1 ft) Diet: Carnivore Lifespan: Up to 25 years (in captivity) Habitat: Warm, shallow waters of the Atlantic and East Pacific Made of enamel, shark teeth are strong and appear in huge numbers in the fossil record. Sharks fend for themselves immediately after birth, so they're born fully equipped. They have many rows of teeth which are constantly being replaced. Ensuring they always have a full set of razor-sharp pearly-white … Visa mer Shark skeletons are made of cartilage. This is strong and durable, yet much more flexible and lighter than bone. Being lighter helps a shark to stay afloat and reduces the amount of energy they need to move about. The flexibility of … Visa mer Shark skin is covered with millions of tiny teeth called dermal denticles. These point backwards, reducing surface drag and helping the shark swim faster. As a shark grows they shed their … Visa mer To breathe many shark species have to remain in constant forward motion. As they swim water is driven through their mouth and out over … Visa mer Fins provide balance and stability in the water. Sharks have a large dorsal fin which provides balance. Usually they'll also have a smaller dorsal fin further back towards their tail. Their pectoral fins are used to steer and lift … Visa mer Webb19 dec. 2016 · Shark anatomy. Although a few species of sharks venture into fresh water on occasion, all sharks are marine fishes. They are an easily recognizable group of fish to most people, although their closest evolutionary relatives are the very different looking skates and rays. To take a look at various aspects of shark anatomy click on selections ... city clean nürnberg