See how great a forest a little fire kindles! Do sharks have placentas? 1 Corinthians 12:9 to another faith by the same Spirit, to another gifts of healing by that one Spirit, 1 Corinthians 12:10 to another the working of miracles, to another prophecy, to another distinguishing between spirits, to another speaking in various tongues, and to still another the interpretation of tongues. Trending questions. P. Join. Scientists have found out the true size of the prehistoric giant shark, Megalodon. No. Get answers by asking now. Some sharks need to hunt in … Instead have a yes or no answer ready for any potential combination of offers from the sharks… Sharks belong to the elasmobranch group of fish that have lighter, more flexible cartilage in their skeleton, instead of bone. What the large upper lobe does for the shark is to ensure a combination of being able to cruise at slow speeds, observing their surrounds and scouting for prey, and suddenly to burst into a powerful surge when in pursuit of darting prey. Sharks obtain oxygen for breathing from the water that flows over their gills. 0. 5. Do sharks have any predators/threats? Yes, thankfully. Some sharks also have a mechanism on their caudal fins called a horizontal keel, which reduces turbulence and allows them to swim faster. Answer Save. Yes, some sharks need to swim continuously to stay alive. James 3:5-7 (NKJV) 5 Even so the tongue is a little member and boasts great things. 6 And the tongue is a fire, a world of [unrighteousness]iniquity. Shark Senses. Join Yahoo Answers and get 100 points today. True sharks are classified in the superorder selachimorpha and there are more than 440 species alive today. 0 0. Taxonomy is a field of science that involves classifying and naming species. Removed comment. Megalodon young may have done the same. Many shark species have brains as complex as mammals, which enables them to process a wide range of senses. We all need to learn to control it, the tongue. Known as a mermaid’s purse, the egg sac of oviparous sharks … Once it is out there, is no taking it back. The tongue is amazing when it comes to running. If they stop swimming, no more water flow means no more oxygen, so breathing stops. Ask question + 100. ... Do sharks have tongues? Sharks are apex predators that have no natural enemies; however, humans are predators of sharks, with an estimated 30 to 100 million sharks are killed every year by fisherman. So don't leave the tank and let your sharks collude behind your back! 3 Answers. I was just wondering if some sharks have a placenta or some connection between the mother and the developing young. Still have questions? - Credit: Marc Baldwin. This has caused many species of sharks to become vulnerable to endangerment. It's integral to wildlife conservation, providing the bedrock for our understanding of sharks. However some bottom-dwelling sharks have adaptations for breathing even while they are still on the sea floor. It seems that these molluscs use their drill-like radula (tongue) to bore into the eggcase and feed on the energy-rich yolk. ... yes they do. Sharks are divided into two groups: those that lay eggs (oviparous), and those that give live birth (viviparous). A new species of shark, skate or ray is identified approximately every two weeks. One of … Sharks are fascinating creatures, especially when it comes to discussing their reproduction and development. Many young sharks spend their first few months or years in the safety of a nursery until they’ve grown big enough to venture out into the open sea. Do sharks have bones? Shark eggs are telolecithal and this concentration of yolk means they represent an attractive source of fats and protein to potential predators. 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