PART 1 MODULE 3 VENN DIAGRAMS AND SURVEY PROBLEMS EXAMPLE 1.3.1 A survey of 64 informed voters revealed the following information: 45 believe that Elvis is still alive 49 believe that they have been abducted by space aliens 42 believe both of these things 1. How many believe neither of these things? 2. How many believe Elvis is still alive but don’t believe that they have been abducted by space aliens? SOLUTION TO EXAMPLE 1.3.1 When we first read the data in this example‚ it may seem as if the numbers
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“Hmmmm doesn’t this hermit crab look like a Zebra?” “What?” my mom asked. “The hermit crab” I repeated. “Oh‚ yes‚ very nice Kiel‚.” My mom is almost impossible to get off her book. She is like trying to pry off a small deep nail with only your
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Brittle stars – D Crown-of-Thorns starfish – C Carnivore Pipefish – C Omnivore Shrimp – D Crab – D Crayfish – D Yellow burrowing sponge – C Omnivore Tubular sponge – C Omnivore Thick yellow fan sponge – C Omnivore Octopus – C Carnivore Squid – C Carnivore Cuttlefish – C Carnivore
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Bottlenose dolphins are also known as Tursiops truncates‚ which is their scientific name. This name originated from the Latin word “tursio” which means “dolphin”‚ and the Greek suffix “ops” which means “appearance”. In effect‚ tursiops means “dolphin-like” and their scientific name was derived from these other languages. Bottlenose dolphins are generally 6.6 to 12.8 feet long and weighing around 332 to 442 pounds. The variations in size are because of geographical location and gender. The coastal
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pressure is by having heavy thick bones. Having heavy thick bones means that the emperor penguin’s bones will not be crushed by the pressure‚ this is an advantage to the emperor penguin because they can dive down further to reach the bigger meals like squid. This is important because the emperor penguin will get bigger meals that will keep her full in addition to also feed her chick when she returns to land. Emperor penguin’s holding their breath for up to 22 minutes means that they can dive down further
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Sea Otters in the Kelp Forest The kelp forest is among the most biologically productive marine habitat known to Earth today. They are like underwater forest made out of giant kelp‚ and sustaining hundreds of different organisms such as; kelp‚ abalone‚ crustaceans‚ urchins‚ harbor seals‚ and also sea otters. Kelp forests are important to today’s oceans‚ and they depend on the organisms that live within them‚ especially the sea otter. A keystone species is a species whose presence contributes
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Dolphins are marine mammals that are closely related to whales and porpoises. There are almost forty species of dolphin in seventeen geaner. They vary in size from 1.2 m (4 ft) and 40 kg (90 lb)‚ up to 9.5 m (30 ft) and 10 tonnes. They are found worldwide‚ mostly in the shallower seas of the continelnta shelves‚ and are carnivores‚ mostly eating fish and squid. The family Delphinidae is the largest in the Cetacea‚ and relatively recent: dolphins evolved about
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for endangered species‚ such as the sea cow (dugong) and the large green sea turtle. Besides‚ it is home for thousand marine creatures‚ it also provides food for us (human). Nowadays‚ many people like eating seafood such as fishs‚ shrimps‚ crabs‚ squids‚ lobsters‚ and clams. There are many kinds of marine creatures like fishes that can be made for food or dish. For example‚ salmon fish. Salmon fish is usually made for “sushi” or it becomes baked salmon. Japanese people usually make
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Diet: In terms of diet‚ porpoises are known to consume fish squid and crustaceans as part of their primary food sources. To assist them with locating prey; porpoises hunt for food using echolocation. In addition to helping them find food‚ echolocation also helps them navigate the ocean in areas where light is absent‚ and also to keep track of other pod members. Although porpoises are predators they prefer to hunt in shallow coastal waters and usually hunt for food near or at the surface of the water
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spends a great majority of its day in the water hunting for prey‚ however it does not venture out very far from its territory due to the fact that their main predators tend to be there. Their prey is primarily fish‚ squid‚ octopus‚ and crustaceans‚ and predators are sharks and killer whales‚ but humans are not a threat now. Pursuing this further‚ humans were a prodigious threat previously when sea lions of all kinds were hunted for meat‚ skin‚ and oil. Luckily‚ though hunting of this species and many
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