Running head: EVOLVING DOLPHINS The Evolution of Dolphins JD Biology 101 January 16‚ 2011 Professor: Abstract Dolphins are a fun and playful species. They have evolved to be well suited for their aquatic environments. Over many years these animals have gone from land dwellers to deep-sea divers. These amazing creatures are considered one of the top predators in the marine ecology system. The Evolution of Dolphins Imagine you are at Six Flags Discovery Kingdom swimming with the
Premium Cetacea Digestion Heart rate
Whaling is the hunting of whales mainly for meat and oil. Its earliest forms date to at least 3000 BC.[1] Various coastal communities have long histories of sustenance whaling and harvesting beached whales. Industrial whaling emerged with organized fleets in the 17th century; competitive national whaling industries in the 18th and 19th centuries; and the introduction of factory ships along with the concept of whale harvesting in the first half of the 20th century. As technology increased and demand
Premium International Whaling Commission Whaling Humpback whale
Richard O’Barry was the man who captured and trained the dolphins for the television show "Flipper" (1964). O’Barry’s view of cetaceans in captivity changed from that experience when as the last straw he saw that one of the dolphins playing Flipper - her name being Kathy - basically committed suicide in his arms because of the stress of being in captivity. Since that time‚ he has become one of the leading advocates against cetaceans in captivity and for the preservation of cetaceans in the wild.
Premium Dolphin Government of Japan Cetacea
Whaling Against- Dear Editor‚ I am writing to tell you that I disagree very strongly about the whole topic of whaling‚ I think that it should stop at once because of the amount we are killing is unbelievable‚ and I would hate to say it but if we keep on going at this rate‚ there is a chance that the whale could face extinction‚ I only found out the other day that there are an estimated 5000 whales killed every year. Firstly once you have killed a whale it takes a longer time to replace
Premium Whale Humpback whale Cetacea
Executive summary: Whale fishing‚ also known as whaling‚ is a traditional fishing activity which existing thousands of years in the world. Fisherman fishing whales‚ sell of whale meat and oil to make money. With the development of modern fishing technology‚ industrial fishing gradually replaces a large number of private fishing activities‚ which made whaling easier and more efficient. Greenpeace International’s data showed “Commercial whaling during the last century decimated most of the world’s
Premium Whaling Humpback whale Fin whale
The evolution of whales is brought up more than the evolution of almost any other species. This is not just do to their massive size‚ the evolution of the whale is very unique. During the evolution of the whale‚ it lost it’s legs‚ all of it’s vital systems‚ and has become to a life in water. This is the opposite of what some scientists believe‚ they think that most animals evolved from water dwelling creatures to land creatures. Most details of whale evolution are currently unknown. We do know
Premium Whale Killer whale Cetacea
Tales of the mythical and magical mermaid have been dismissed as rumors; however‚ these majestical creatures do exist. Cameras have caught photos and even videos of these creatures stranded on beaches and swimming dignified through the ocean. You may argue that these images are fabricated but there are scientist who dedicate their lives and can speak surely about the existence of mermaids. Scientist who are skilled in the use of sonar. Scientists who state that mermaids are seismically sensitive
Premium Ocean Fish Cetacea
Before I begin my thesis on the exemption for whaling‚ I would like to state my opinion against this case. This violates the rights to preserve an endangered species that is being hunted to profit for companies that do not care about the future of species on the planet. Affecting the entire ecosystem. Some countries like Norway and Japan as well as small communities have hunted whales for generations. But for many generations this was the way the inhabitants of those countries met to feed themselves
Premium Endangered species International Whaling Commission Cetacea
Have you ever seen a giant bus-sized whale covered in barnacles fly out of the water? Probably not. In the next few paragraphs you will learn about the Humpback Whale‚ everything from what it eats to what its threats are. Description The Humpback Whale is a blue-black whale with a pale or white underside. They are known for singing‚ to communicate and get mates. When they dive‚ they hunch‚ making a hump on their back. That’s how they got their name. They grow up to about 48-62 feet long and weigh
Premium Whale Killer whale Beached whale
Have you ever seen a Spinner Dolphin? The spinner dolphin is a small dolphin found in off-shore tropical waters around the world. It is famous for its acrobatic displays in which it spins along its longitudinal axis as it leaps through the air. Spinner dolphins can dive 900 feet in depth and stay 8 minutes under the water when they are searching for food‚ Squid is a huge part of the diet for the Spinner Dolphins. These dolphins have no problem successfully hunting in the deeper and darker waters
Premium Dolphin Whale Fish