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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the late century‚ extinction becomes common topic in our daily discussion and debates. An average of 27‚000 species is currently extinct each year and there is a possibility of 22% of extinction in the overall species if action is not taken. Animal extinction is due to human immorality and irresponsible behavior just for their own benefits. Since the year 1600‚ a total of 83 mammals species are known to have become extinct. Wildlife population depleted the trade in live animals‚ damaged habitats
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substances (e.g. turtle shell)‚ and chitin (e.g. insect cuticle)‚ are broken down very slowly. Hair sometimes accumulates as “hairballs” within the stomach‚ and may later be regurgitated. The bony scales along the back are the "armor"‚ and some species are considered more heavily armored than others. These scales protect‚ to a large degree‚ the delicate inner organs from injury during fights with other crocodiles‚ and tooth marks in them are reasonably common. They also have a good blood supply
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ANNA UNIVERSITY CHENNAI :: CHENNAI – 600 025 B.E / B.TECH. DEGREE EXAMINATIONS – I YEAR ANNUAL PATTERN MODEL QUESTION PAPER HS1X01 – TECHNICAL ENGLISH (Common to all Branches of Engineering and Technology) Regulation 2004 Time : Three Hours Maximum Marks :100 Answer All Questions PART A 10 X 2 =20 1. Match the words in column A with their meanings in column B: 4 x ½ = 2 A B a. abundant b. escalate c. culminate d. spectacular i. rise ii. reach its highest point iii. strikingly grand iv. plenty
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Biodiversity is not uniformly distributed across the geographical regions of the earth. Certain regions of the world are flourished with a very large number of different species. Hot spots are the richest and most threatened reservoirs of plant and animal life on earth. There are about 34 hot spots identified in the world. Among this‚ India has two hot spots namely Western Ghats and Eastern Himalayas. The Western Ghats hot spot region lies parallel to the eastern coast of Indian peninsula
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evolution. Divergent evolution occurs when change from a common ancestral species increases as time passes‚ leading to a speciation event; that is‚ the evolution of two new species. Convergent evolution on the other hand differs from divergent evolution because it is the development of similar features separately in unrelated groups of organisms though natural selection. Finally Parallel evolution is a look at species that are more closely related then those of divergent evolution. It is the independent
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CH 17 BIOLOGY VOCABULARY AND ASSESSMENT CH 17 SEC 1 1. Binomial nomenclature: Linnaeus’s system of naming organisms‚ giving a scientific two-word name to each species- the first part being the genus‚ and the second the species 2. Class: taxonomic group that contains one or more related orders 3. Classification: grouping of organisms or objects based on a set of criteria that helps organize‚ communicate‚ and retain information 4. Division: taxonomic term used instead of phylum to group related
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intact. A rainforest is the perfect example of how we currently keep this environment friendlier and healthier. Ethics‚ the study of ecology‚ economics‚ and aesthetics can explain why we conserve biodiversity. As we begin to kill species‚ we have to remember that each species has a right to life. We also have to take into consideration that we are being selfish when we kill off rainforest and not allow our future generations see what nature has for them. On the ecological side‚ reducing the rainforest
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PHYLA (singular: phylum) Phyla can be divided into DIVISIONS Divisions are divided into CLASSES Classes are divided into ORDERS Orders are divided into FAMILIES Families are divided into GENERA (singular: genus) GENERA are divided into SPECIES Species are sometimes divided into VARIETIES The concept of the binomial system was introduced by Carolus Linnalus (1707-1778) in 1753 for flowering plants. The system gives each plant a name which is made up of two parts. The first part is called
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