multi-cellular organisms Theory of Evolution Darwin (studied in the Galapagos) and Wallace (studied in South East Asia) proposed that all species are related by common ancestry; they also proposed that the characteristics of a species can be modified from generation to generation Evolution – postulates that: o Species are related to one another o Species can change through time Natural Selection – process that explains how evolution occurs -> over time‚ it is the transition of genetic material
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and non-scientists proposed that life was not static throughout the years it wasn’t until the 19th century that Charles Darwin proposed a mechanism to scientifically explain how evolution could occur. In 1859 Charles Darwin published The Origin Of Species. Darwin made many observations that lead to the realization of the process of evolution. The first‚ all populations contain variation on a genetic level. The second‚ offspring inherit characteristics from their parents. The third‚ organisms with
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Mt Henry Peninsula Population Study Mount Henry Peninsula is an area of significant biodiversity. The various plant species that are found in this region rely on a specific combination of abiotic and biotic factors. Plants found in one location may not necessarily occur in another‚ where the conditions are different. The following extract is part of a study commissioned by the City of South Perth. “The Mt Henry Peninsula and its associated foreshore is the largest area of bushland in the City
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Habitat: It depends on the species as to where they live Diet: carnivore‚ eat different types of fish Reproduction and babies: Dolphins are aquatic mammals that are closely related to whales and porpoises. Dolphins evolved about ten million years ago. .. Dolphins belong to the family Delphinidae. It is the largest and most diverse family of aquatic mammals and includes 26 living species dolphins vary in size from 2m -3 metres and 150- 300 kilograms. Most species of dolphins are larger than
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Every species has a value and role in nature. It has a right to exist‚ whether or not it is known to be useful to humans. All life is sacred and must be protected. Humans are no more important than other species. They all have a good of their own and both deserve to be valued.Thus everything has an equal right to exist simply because it already exists. Having this right will result in also having a "right" to have ones future survival guaranteed to an extent equal to any and all other species.
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Population is all the organisms that both belong to the same species and live in the same geographical area. The area that is used to define the population is such that inter-breeding is possible between any pair within the area and more probable than cross-breeding with individuals from other areas. Normally breeding is substantially more common within the area than across the border. Ecosystem which consists of all the organisms living in a particular area‚ as well as all the nonliving‚ physical
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BIOLOGY In the hierarchy of life‚ species are made up of: POPULATIONS Defining life precisely can be difficult‚ however‚ all living things share the following: cellular organization growth‚ development‚ reproduction energy utilization evolutionary adaptation NOT…movement “A concept in biology is: The whole is equal to more than the sum of its parts.” This is termed: EMERGENT PROERTIES biological community All of the populations of different species living together in one place. population
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people originated from apelike ancestors. Scientific evidence shows that the physical and behavioral traits shared by all people evolved over a period of at least 6 million years. A. From Ape To Man Fossils from several different early australopith species that lived between 4 million and 2 million years ago clearly show a variety of adaptations that mark the transition from ape to human. The very early period of this transition‚ prior to 4 million years ago‚ remains poorly documented in the fossil
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as controls on hunting‚ importation of non-native species and pollution. Wildlife conservation is important and is not to be mixed up with preservation‚ preservation suggests wildlife should be left alone with no contact from humans whereas conservation will use human involvement to restore habitats for example. 2 The importance of conservation to wildlife 2.1 The Dodo As the human population has climbed‚ the extinction rate of other species has also gone up; indeed‚ humans began causing extinctions
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1831 (22 years old) He observed Turtles: On the island they were huge and had to eat food up high (the neck would extend) over time‚ the shell changed. The ones with the short necks died off because of lack of food Published the book: Origin of Species By Means of Natural Selection (to beat Wallace) He’s Catholic Owen- opposed Darwin for his ideas of evolution because he felt they went against Catholic teaching Alfred Wallace- worked on the same theory of evolution as Darwin Thomas Malthus:
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