Biodiversity has been on the decline over the past century and the background rate has been mostly accelerated by the humans. Considerable damage has already been done. Possible solutions have been discussed and categorising species according to how in danger they are is one of those solutions. Below are some of the threatened organisms in different continents around the world. TABLE OF CONTENTS Africa Mammals Birds Reptiles Amphibians Fishes Asia Mammals Birds Reptiles
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Irvin Cordero‚ Chase Demary Biology Endangered species research paper Alpine Wallaby is an endangered animal. Its scientific name is Thylogale Calabyi and its classification is Mammalia. Wallabies are members of the kangaroo clan found primarily in Australia and on nearby islands. There are many wallaby species‚ grouped roughly by habitat: shrub wallabies‚ brush wallabies‚ and rock wallabies. Hare wallabies are named for their size and their hare like behavior. All wallabies are marsupials or pouched mammals
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Speciation essay A species is a group of organisms that can breed together to produce fertile offspring. New species arise in two ways‚ hybridisation and polyploidy. Polyploidy is an increase in the number of sets of chromosomes. Hybridisation is the production of offspring from parents of two different species‚ this means though that the offspring is not fertile such a mule‚ a cross between a horse and a donkey‚ which is why hybridisation can only be explained in plants and not animals.
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Ecosystem is similar to a community. It consists of species‚ living organisms and the abiotic factors‚ their habitat. Living organisms includes animals‚ plants‚ insects‚ micro-organisms. For their habitat‚ they are the non-living nature which are soil‚ sunlight‚ water‚ precipitation. There are two types of ecosystem. Terrestrial ecosystem which is on the land and aquatic ecosystem which is under the water. Over-breeding is the increase of offspring of a species to a excessive number. In dictionary definition
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Species Extinction - Modern Species Paper Endangered Species Act joins a couple of unmistakable environmental laws in the US. It was set apart into law by Past President Nixon‚ whose key target was to keep various endangered species from being ended using whatever strategies imperative. Since it is set to guarantee certain animals that are nearing end on our planet‚ it will make people who harm or execute them a criminal. While the law has been outstandingly viable in the rebuilding of a couple
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This report is based on the study of ‘Species Diversity and Ecosystem Stability’ of the New Amsterdam Secondary School’s Eastern Field. This study was carried out by yours truly‚ Cynthia Rutherford‚ from the 26th January‚ 2011 to 5th February‚ 2011. Even though the study was done over a short period of time‚ I do hope that it will be lots of benefit to you the readers and edify you of our environment. Thank you. Title The title of this study is: ‘Species Diversity and Ecosystem Stability’
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interactions between different species may take different forms‚ such as commensalism‚ parasitism‚ amensalism etc. Competition often results in reduced growth and/or lower seed production of one or both individuals or species when compared to the yield of either when grown alone. There
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Millions of species inhabit Earth. How do scientists make sense of them all? First‚ scientists study the similarities and differences between organisms. The scientists study characteristics including obvious physical traits‚ such as hair or leaves‚ and molecular traits‚ such as DNA sequences. Then‚ scientists use the information to classify species into meaningful groups. The groups may also reveal which species are related and how they fit along the evolutionary tree. Scientists who specialize in
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naming system are called: Domain‚ Kingdom‚ Phylum‚ Class‚ Order‚ Family‚ Genus‚ and Species. The first scientist to use the system was Carolus Linnaeus. His system had seven levels that were used for classification. They range from smallest to largest: Species‚ Genus‚ Family‚ Order‚ Class‚ Phylum‚ and Kingdom. Later on scientists added on more levels. This system brought order to the process of naming species and classifying them into groups. The Dichotomous Key is used to help classify
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of an individual against another individual within the same species. In life‚ there is an imperative need to be the best of the best. In order to fulfill this goal‚ animals must compete against one another to claim the higher position. For example‚ in wolves‚ there is an organized social structure where at the top sits the alpha-male‚ the strongest and most skillful wolf in a pack who has won his way up. Likewise‚ in Origin of the Species‚ Darwin said: “as more individuals are produced than can possibly
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