WebbIt has a brownish-black colour on top, is white underneath, and has an asymmetrical tail with a long upper lobe, similar to that of the thresher shark. [4] The interior of its gill slits are lined with finger-like gill rakers that capture its food. A relatively poor swimmer, the megamouth has a soft, flabby body and lacks caudal keels. Webb31 jan. 2011 · The saccular macula found within the sacculus of the fish inner ear is one of the two maculae thought to be responsible for sound detection in elasmobranchs (Corwin, 1981).This macula is hypothesized to be stimulated in response to sound waves, as a result of a smaller displacement of the dense overlying otoconial mass relative to the …

Terrifying moment nurse is bitten by 220lb SHARK leaving her with …

WebbCarcharocles megalodon was once the most fearsome predator to reign the seas. This ancient shark lived roughly 23 to 3.6 million years ago in nearly every corner of the ocean. Roughly up to 3 times the length of a modern-day great white shark, it is the largest shark to have ever lived. It had a powerful bite with a jaw full of teeth as large ... Sharks 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 using energy from the breakdown of glycogen (sugars). Enabling sharks to make short fast sprints … 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 denticles, replacing them with larger ones. … 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 … Visa mer 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 … Visa mer port moody rec centre drop in fitness

Shark Anatomy Facts - Key Functions Diagram & Pictures

WebbSharks eyes have a few modifications to their basic structure also found on other vertebrates. The shark eye has a reflecting layer called a tapetum lucidum located behind the retina. The structure consists of a layer of … WebbThe inside of the shark is designed for maximum efficiency, just like its outside. Sharks have large J-shaped stomachs that can expand considerably. When prey is captured, it is usually swallowed whole or in … Webb8.4K views 2 years ago Shark Smarts Educational Videos. Join the AWSC Education … port moody rec centre pickleball