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Life processes - Biodiversity.

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Life Processes Essay OCN Science - Describe and explain ecological factors Often referred to as "Ecosystems", Biomes are environments that differ depending on certain factors such as plant life, human presence (which will increase or decrease the pollution levels depending on the advancement of the civilization) and weather/climate. Biomes are easier to define in the worlds of biology, ecology, and biogeography than areas of the planet that have been sectioned and defined by the presence of humans. There are 6 basic terrestrial and aquatic biomes, these can be categorised into Freshwater, Marine, Desert, Forest, Grassland and Tundra. Every different type of ecosystem is unique unto itself, with forms of plant life and animal species that are found only within them. The animals collect in these environment and they rely on the plants for food or shelter or both. Other major factors within a biome are the existence of clean water and suitable weather conditions that these animals can live comfortably in, without these factors, the ecosystem would fail. ...read more.


Rainforests have long been affected by the presence of man and as a result have diminished in size dramatically; this has a direct result on the ecosystems found within them. Our continuing harvesting of wood from trees and the use of land for grazing purposes for farms and such has reached a deadly climax for many species and has forced the wildlife and animal life to adapt to the changes and although they continue to live within these ever changing environments, some species have not. According to sources between 30-100 species of animals, including birds, mammals, fish and insects are being wiped out every single day due to human interference in their habitats (2) The question of which biome has the highest and lowest biodiversity is one that is in constant competition within scientists. Some believe it to be the marine biome as some say there are more variations of plant and marine life and it is the largest, covering two thirds of the earth's surface. ...read more.


This is a perfect example of a local ecosystem and evidence of biodiversity. Blean woods spans over 3,000 hectares and within its boundaries thrive many different types of wildlife. Nature reserves have been set up including an RSPB base and guided walks are available on most days, taking nature lovers deep into its terrain to understand, view and record the process of nature that dwells within. The woods themselves are a popular attraction with tourists that travel from far and wide, many of which are people who have come to discover Canterbury and wish to find out more about the surrounding areas. The area itself is maintained by charitable organisations and funded by donations and it is important to understand the financial benefit that these woods have on the area and how much people depend on them. The Conifer tree is the breed of tree that is found the least in these particular woods but there are sanctuaries within it that breed these trees. Sources (1) - http://images.google.co.uk/imgres?imgurl=http://www.world-builders.org/lessons/less/biomes/rainforest/temp_rain/tempgifs/tempweb.gif&imgrefurl=http://www.world-builders.org/lessons/less/biomes/rainforest/temp_rain/tempweb.html&usg=__92RLBeTS-3UYwV0Lx0f6Su0H1ak=&h=743&w=575&sz=47&hl=en&start=1&um=1&tbnid=SOc7zTmUstv5ZM:&tbnh=141&tbnw=109&prev=/images%3Fq%3Dfood%2Bchains%2Bin%2Bthe%2Brainforest%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-GB:official%26sa%3DN%26um%3D1 (2) - http://wiki.answers.com/Q/What_rainforest_species_have_gone_extinct (3) -http://images.google.co.uk/imgres?imgurl=http://www.champaignschools.org/science/images/foodweb.gif&imgrefurl=http://www.champaignschools.org/index2.php%3Ffile%3DElementaryCurriculum/animalsandtheirenvironment%26header%3D./science/&usg=__683CWxuopUn3qxF0f4U9-xDWdSs=&h=450&w=580&sz=35&hl=en&start=8&um=1&tbnid=R1EZIvswX337PM:&tbnh=104&tbnw=134&prev=/images%3Fq%3Dfood%2Bweb%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-GB:official%26sa%3DN%26um%3D1 ...read more.

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