ecology‚ the niche. Due to this concept‚ we can study the environmental circumstances the organism can handle‚ the essential resources it will need to survive‚ and how it will obtain these resources. “Different species can hold similar niches‚ and the same species may occupy different niches” (Wikipedia). This could mean that although these two organisms are living in the same environment‚ they are still capable of growing because it is possible for different species to live in the same niche and share
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Advantages a) widely applicable b) strong theoretical foundation 4. Disadvantages a) Few thorough phylogenies available G. Ecological Species 1. Based on environmental context 2. Each species occupies unique niche 3. Avoid problems associated with a) Morphologically similair species b) Asexually reproducing species 4. Disadvantages a) Difficult to characterize niche in sufficient detail. H. Speciation 1. Reproductive Isolation a) Allopatry: populations physically separated b) Sympatry: co-occurring
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It has always been a common idea that we human‚ have full control of our own thoughts through our brain. While recently there are some opposite opinions say that as a matter of fact‚ we cannot fully take charge of our ideas. This new idea lets many people get confused and wonder whether we humans have the ability to actually control our mind. We can’t fully control our own mind due to our instinct of imitation and being easily controlled by the social trend. In Blackmore’s essay “ Strange Creatures”
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Bibliography: Allen‚ G.R. and steene‚ R.1994. Indo- Pacific coral reef guide. Tropical Reef Research‚ Singapore.Cox‚ C.B. and Moore‚ P.D.2010. Biogeography: An Ecological and Evolutionary Approach. 8th edition.Blackwell‚ Science‚ Oxford.Levine‚ Carol. 1995. A guide to wildflowers in winter: herbaceous plants of northeastern North America. New Haven: Yale University Press. Page 1.Ruppert‚ E. E.‚ R. S. Fox & R
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Ecology ➢ Climate is weather conditions of a region like temperature‚ humidity‚ precipitation‚ sunlight pressure‚ winds‚ throughout the year over a period of time ➢ Ecology – is the study of the interactions between organisms and the environment ➢ Abiotic factors –temperature and water ➢ Microclimate – a classification at the small scale variation ➢ Dispersal – movement away fro origin ➢ Macroclimate – a classification at the global and regional level
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APES Humans’ Affect on Extinction If extinction is a natural part of the world‚ why should we worry about it? Speciation results in new species filling the ecological niche of extinct species. Why should we care if we speed up this process? Biologists say there are four main reasons to care about extinctions. First‚ the world’s species are a vital part of the earth’s life support system. A second reason is that species usually contribute to economic services. The third reason is that it takes
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Chapter 1 Environmental Problems‚ Their Causes‚ and Sustainability Summary 1. All life depends on energy from the sun‚ solar capital‚ and the resources and ecological services of the earth‚ natural capital‚ to survive. An environmentally sustainable society provides for the current needs of its people without undermining the ability of future generations to do the same. 2. The world’s population is growing about 1.2% per year‚ which adds about 77 million people per year. Economic growth
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Ecosystems are composed of dynamically interacting parts including organisms‚ the communities they make up‚ and the non-living components of their environment. Ecosystem processes‚ such asprimary production‚ pedogenesis‚ nutrient cycling‚ and various niche constructionactivities‚ regulate the flux of energy and matter through an environment. These processes are sustained by organisms with specific life history traits‚ and the variety of organisms is called biodiversity. Biodiversity‚ which refers to
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Erin Annabell INTRODUCTION The ecological niche of the Porcellio scaber: The Slater belongs to the biological class Crustacea. The slaters studied were found in damp‚ cool‚ humid conditions. They are most easily found in spring and autumn. The most common site around the home is on compost heaps or under shelter such as bark‚ wood piles and boards left in shaded‚ moist conditions. They may also be found in deep‚ damp soil litter under the shelter of bushes or trees. So that they were not exposed
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live in southeast Asia. Lemur-like forms. Lemurs all from Madagascar. An ancestral population underwent adaptive radiation (geographically isolated on the large island; Madagascar has great variety of ecological niches and over time‚ the ancestral population evolved to fill these niches – no other competition – to constitute tremendous variety) Go to http://lemur.duke.edu/animals/ Update on the new Duke Primate Center website: Hold your cursor on ’Animals’ in the horizontal banner and
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