A keystone species is defined as one that has a critical role in determining and maintaining the overall relationship of plants and animals within an ecosystem. If a keystone species is removed or declines‚ the nature of the ecosystem will change dramatically. Sea Otters — A Classic Keystone Species The classic tale of a keystone species is that of the sea otter‚ which was once found in abundance along the West Coast of North America. The story goes something like this: 1. European and
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them from the bottom of your hearts. For in being the first to make a "wrong choice" Adam and Eve produced the possibility of making any choice at all. In your mythology you have made Eve the bad one‚ the temptress who ate of the fruit of the knowledge of good and evil and coyly invited Adam to join her. This mythological setup has allowed you to make woman man’s downfall ever since. Resulting in all manner of warped realities. Not to mention distorted sexual views and confusions‚ "How can you
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Enamel is a very important part of teeth as its main purpose is to protect the tooth‚ and since it is a mineral it can not grow back. Enamel has a very complex structure that has slowed down innovation. For example‚ even though scientist knows magnesium‚ carbonate and fluoride ions influence enamel properties‚ they hadn’t been able to map their location in enamel at a high enough resolution. Scientists hope that by understanding more about the mechanism of how teeth decay will lead to innovations in
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Over the decades‚ Invasive species have shown a significant negative impact upon the fabric of the ecosystem. Whether they are endangered or not‚ in-habitat species are making their presence known throughout the ecosystem‚ and such‚ throughout the United States. In fact‚ Invasive species have posed as a problem within society as around the early colonies of the 1800’s. The uncommon native-species are able to enter through different routes. Some are transported intentionally and others are able
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Sharks attacks happen in 3 feet of water‚ about 10 feet from the beach‚ and the sharks keep swimming around the same place until the food supply is gone. We all know that theme song from “Jaws”‚ played by a cello‚ which makes us cringe every time we hear it‚ no matter where we are. This amazing film‚ directed by Steven Spielberg in 1975‚ is so addicting that it is still insanely popular to this day. (IMDb) It is known that every time you hear that theme song‚ the shark is around. The movie even
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SPECIES DIVERSITY IN POOL AND RIFFLES OF A LOTIC TROPICAL SYSTEM Abstract This study looked at species adaptations to different substrate type‚ current velocity‚ dissolved oxygen and depth that allows for the specialized utilization of the microhabitats found and how this was responsible for similarities and differences in species diversity in pools and riffles. The riffle was seen as the more diverse mesohabitat. Of the 47 species found‚ the riffle had 37 of these organisms present. The
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1. How long have turtles existed? ***(question) Turtles have existed for over 220 million years. 2. What is the largest turtle? *** (question) The Leatherback Sea Turtle is one of the largest turtles. This turtle weighs around 2000 pounds and can be over 6 feet long! 3. What do turtles eat? Turtles are omnivores meaning they eat both plants and animals. Some of the foods they eat are: • Fruit • Plants • Insects • Jellyfish • Other animals 4. Are turtles ectothermic? Yes‚ this means they can’t
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Characters in the film Chrissie‚ the first victim is different to everyone else because she almost deserved the attack because it was her own fault. She was drunk at a party and about to have sex with a random guy who she didn’t even know the name of. The boyd was ringing which indicated the fact that there was something in the water- evidently a shark. Subsequently‚ because she was drunk she could not hear this and the boy was to focused on running over to Chrissie that he was also oblivious to
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How much calories do nuts have. In this experiment‚ I learned the process that is used to measure how much energy is in different foods. Nuts are a natural energy filled snack. They contain a lot of energy or calories. We hear every day people talking about eating too many calories‚ but I didn’t know exactly what that meant. What does it mean to eat too many calories? But in the case of nuts‚ if one nut has 4 calories‚ and someone eats 30 nuts‚ they just had 120 calories. This is considered
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Brush your teeth‚ I say! Here is a persuasive speech that I wrote for AP Language and Composition earlier this year. It’s about oral hygiene and has a humorous twang. A man with rotting‚ discolored teeth approached me on the streets of Boston yesterday. He approached me and ranted to me‚ for what seemed like hours‚ about “his cause‚” and why I should donate to it. I stood their dazed as his brown teeth‚ hanging from purple gums‚ spewed yellow saliva into my face. I did not recoil‚ I did not complain
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