Synapomorphy- Is a trait that is found in certain groups of organisms that exists in no others. It is a homologues trait that exists in no others. Some synapomorphy are: lactation and fur in mammals. Monophyletic group- Consists of an ancestral population‚ all of its descendants and only those descendants. Paraphyletic- An evolutionary unit that includes an ancestral population and some‚ but not all of its descendants. They are not meaningful units in evolution. Polytomy- Term for internal
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endangered marine mammals in US waters due to their small population and threats to their habitats (Garrott et al. 1994). Boating collisions‚ storms‚ and exposure to cold waters can increase their mortality rates. Manatees often acquire distinctive marks in the wild from natural and human-related causes. Boat inflicted injuries‚ fishing line entanglements‚ and lesions from infection and cold damage can leave permanent scars after they heal (Langtimm and Beck 2003). These mammals can also starve and
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Is Bigfoot Real? By:Karlie Templeton Have you ever heard of the legends of Bigfoot? Ever wondered if he was real‚ What do you think. There have been “sightings” of Bigfoot for millennium and they still continue today. The first question that we should ask ourselves is what is Bigfoot? In legends Bigfoot is a six foot tall monster that is similar to an ape/monkey and a human. Bigfoot (also known as Sasquatch) is the name given to a mythological simian‚ ape‚ or hominid-like creature that is said
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Established in 1936‚ Corbett National Park is India’s first ecopark. Spanning across the span of 920.9 square km‚ Corbett National Park is India’s most popular national park of India. This ecopark is famous for Tigers and encompasses 110 tree species‚ 50 mammals species‚ 580 bird species and 25 reptile species. Jim Corbett National Park is the oldest national park in India‚ located at Uttaranchal. Corbett has been a haunt for tourists and wildlife lovers for a long time. Its dense forest is the home for
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Anth 68 Day 14 Velten 2007 Chapter 4-6 Velton describes the impact that humans have implemented on the bull and the cow‚ both positive and negative. Humans started by creating the plough using the ox; we first started out by attaching ropes to the horn and then used their whole body for increased effectiveness. Cattle was also used to pull carts and as a mode of transportation. Cows were manipulated into giving milk by creating an illusion that her calf was near. These are only the beginnings of
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The green tree frog is considered to be one of the most beautiful frogs in North America. It is active at night and would rather climb than jump. The scientific name for the tree frog is Hyla cinerea while the common name is green tree frog. Hyla means tree frog. The green tree frogs are native to Southeastern USA throughout the Florida‚ Georgia‚ Eastern Virginia‚ and East and Central Texas. They are primarily found in habitats with floating vegetation‚ debris‚ grasses and cattails. They would most
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Animal cruelty Some people (in RSPCA so forth PETA) feel that animals are treated cruelly; however some believe that humans treat animal’s kindly‚ giving them homes and food. This subject has two sides including good points that help animals survive or bad points that endanger animals throughout the world. After all humans protect animals not to forget give them homes even though it is cruel and barbaric to eat animals and use them for ivory or entertainment. Firstly meat consumption is a terrible
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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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Housing animals in human care have been a serious dilemma for our public. The views on this differs with everyone. One view is the animals should not be under human care and should be in their natural environment. While others believe that animals in human care with the correct rules and regulation then it is not a problem. Animals in human care can be for zoos‚ aquariums‚ and even the domestic pets living with individuals. Any dilemma within the society will have pros and cons such as housing animals
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and reach sexual peak very quickly. Thirdly‚ we can draw comparisons between the causes and function of animal and human behaviour due to the similarity of our brains; underlying structures of the midbrain for example are quite similar across all mammals and other biological
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