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 dolphins. The trainers
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Dolphins Surprisingly dolphins aren’t fish! A dolphin is a mammal. Like every mammal the dolphin is warm blooded‚ isn’t born in eggs‚ and breathes air. A dolphin usually breathes once or twice a minute. A dolphin can hold its breath no longer than seven minutes but only if it is an emergency. Dolphins do have a tiny bit of hair! The only place there is hair is right next to the blowhole. Dolphins have blubber instead of fur. Blubber gives a dolphin their streamline shape. Blubber also is a cover
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Sharks Sharks are one of the most feared carnivores in the sea. There are 365 species of of sharks in the sea as we know today. All sharks are carnivores. Most of them eat live fish‚ including other sharks. A shark’s most common natural enemy is an another shark. Most sharks eat their prey whole‚ or they tear off large chunks of the bodies. Some sharks crush their prey. Others take out small pieces off flesh from large fish. Sharks also feed on dead or dying animals. Sharks have the reputation of
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Sharks myths busted We cannot run away from the fact that Sharks have been stereotyped to being these big and dangerous species that are feared by all humans. This species has been misrepresented in movies to be one of the most feared species in the ocean. We’re busting some shark myths that have been going on forever. MYTH 1: Sharks are man-eaters A negative perception of sharks is that they see humans as food which is not a fact. Most sharks prey on fish or invertebrates. It is said that sharks
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_______________________ Great White Sharks by Erin Ryan The great white shark is one of the most recognizable sharks in the world. The only shark larger than a great white is the whale shark. Great white sharks have been found in each of the world’s oceans. Even though they have been spotted in waters as shallow as three feet (one meter) deep‚ these sharks spend most of their time in deep coastal waters. The great white shark is related to the prehistoric Megalodon shark‚ which grew to over sixty-five
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Why is it important to save the sharks? The shark is an apex predator of the marine ecosystem. In the marine ecosystem these predators are placed at the top of the food chain. Apex predators have a vital role in maintaining the health and balance of the ecosystems they dwell in. In addition to the previous statement if these top of the food chain predators were to be removed from their ecosystems‚ the health and balance of these ecosystems would become shattered and disturbed‚ with nobody to maintain
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A Dolphin Organism Evolves Anthony Youmans BIO/101 Pamela Buckman April 13‚ 2013 Kingdom: Anamalia‚ Phylum: Cordata‚ Class: Mammalia‚ Order: Cetacea‚ Sub-order: Odontoceti‚ Family: Delphinidae‚ Genus: Delphinus‚ Species: Delphi’s‚ or better known as‚ Dolphin. Dolphins occupy all oceans and major seas‚ even some are in larger river systems. This paper will cover characteristics of a dolphin‚ the ancestry to the modern dolphin‚ and what adaptations the dolphin has gone through to be the survivor
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Sociology of Animals Term Paper Dolphins as Entertainers When one goes on vacation to a tropical island or visits an aquarium such as Sea world‚ we all wish to see the dolphins splashing and performing tricks for our entertainment. Although they are loveable creatures they are treated unfairly by society. Dolphins are wild sea mammals that are captured from their natural habitat by humans and forced to live in small habitats in marine mammal parks or swim with dolphin attractions where humans pay to
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New hybrid sharks discovered: Signs of global warming? January 3‚ 2012 In what is being hailed as the world’s first evidence of inter-species breeding among sharks‚ a team of marine researchers at the University of Queensland have identified 57 hybrid sharks in waters off Australia’s east coast. The new sharks possess genetic material from both the Australian blacktip shark (Carcharhinus tilstoni) and the common blacktip shark (Carcharhinus limbatus). The Australian blacktip is smaller and tends
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Joseph Castaneda Miami High School Abstract Over 50 million years ago‚ the creature that we know as the dolphin today was a land based animal. It would venture into the sea‚ or water to eat. Over time though the evolutionary process would see to it that this once land based creature would become a part of the water‚ evolving in such a way that it would never again see the land. Along the way there have been numerous changes that have taken place to the animals physiological
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