things come to mind such as climate change‚ water pollution‚ species loss‚ or deforestation. Yet so many other problems get overlooked because they are unrecognizable or do not get as much media coverage. One of these issues is the threat of invasive species. Some people will walk past them every day without even realizing it. After all why would anyone question something that looks just like another plant‚ insect‚ or animal. Invasive species are not as in your face as pollution or deforestation‚ but
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as a single species or race‚ or as two‚ as three...or as sixty-three” (Darwin‚ 83). In The Descent of Man Darwin argues whether humans are one species or if the races of the world make up their own respective species. Darwin considers both the differences and similarities between races‚ and using both biological and social observations‚ he concludes that the different races put together make up one species--homo sepiens. When determining whether the separate races make up one species or not‚ Darwin
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abiotic characteristics of the rock platform -Examining and comparing the richness of species in sub habitats on the rock platform -Measuring the abundance and distribution of some molluscs and algae on the rock platform During the investigation we undertook four fieldwork activities such as: -Investigation of adaptations to life on a rock platform -Abiotic Factors on and around the rock platform -Species richness of Sub-habitats on the rock platform -Distribution and Abundance of Selected
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that all organisms are made by God in their current state and require no additional modification. As a result‚ many scientists in the 1700s explained that an organism’s compatibility to its environment is because of the principle that God created a species to suit a specific environment. Contrary to the beliefs of early philosophers and scientists‚ an organism’s compatibility to its environment is caused by natural selection. Natural selection‚ the process in which individuals with certain heritable
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few decades. We bulldoze forests to make way for concrete jungles‚ depriving many species of the flora and fauna native to their habitats. We dump all types of waste into our rivers and seas‚ doing irreparable damage to freshwater and marine species. We hunt for sport and use animal parts to cater to our exotic tastes. All our actions are resulting in the dwindling of wildlife. We are losing plant and animal species at an accelerated rate. Ladies and gentlemen‚ what can we do to stop this massacre
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Fruit Candy Trial 3 Chocolate Candy Trial 1 Chocolate Candy Trial 2 Chocolate Candy Trial 3 3. Count the number of species in each sample. Each color represents a different plant in the habitat. Example: R‚ Bl‚ G‚ G‚ Y‚ Y‚ G‚ Bl‚ Bl has 4 species of plants. 4. Calculate the diversity index of both the bag of chocolate candies and fruit candies number of species using the following formula for each trial: Diversity Index = number of samples 4 Example: R‚ Bl‚ G‚ G‚ Y‚ Y‚ G‚ Bl‚ Bl
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Natural Selection The theory that members of a species each have slight variations from each other‚ and that these variations have the ability to enable some members of a species a survival advantage in certain environments. As a result of having a variation that increases their likelihood to survive‚ they are allowed to propagate‚ and their offspring have an increased likelihood of survival with the passage of the variation. Other members of the species who lack the variation die‚ and over time the
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: Division: Class: Sub-class: Order : Family : Subfamily : Tribe : Genus : Species : Plantae Angiosperms Eudicots Rosids Sapindales Rutaceae Aurantioideae Clauseneae Aegle A. marmelos Bael (Aegle marmelos)‚ also known as Bengal quince‚ golden apple‚ stone apple‚ wood apple‚ bili‚ is a species of tree native to India. It is present throughout Southeast Asia as a naturalized species. The tree is considered to be sacred by Hindus. Its fruits are used in traditional medicine
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UNIT I Diversity in the Living World CHAPTER 1 The Living World What is Living Diversity in the living world Taxonomic Categories Taxonomical Aids The living world is very wonderful. It contains wide range of life forms. 1.1 What is living – Living organisms are self-replicating‚ evolving and self-regulating interactive systems capable of responding to external stimuli. Living organisms exhibit following distinctive characteristics. All Living Organisms
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Of the recognized 110 species which live in mangroves‚ only about 54 species (in 20 genera from 16 families) make up the group of species that occur almost exclusively in mangrove habitats. Many of these species are found in the similar conditions to the tropical conditions of a wide range of salinity‚ tidal range‚ anaerobic soils and high light intensity. Plant biodiversity
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