The following points highlight the fourteen main factors affecting growth and reproduction of an organism. The factors are: 1. Troposphere 2. Stratosphere 3. Mesosphere 4. Thermosphere 5. Exosphere 6. Homosphere 7. Hetrosphere 8. Air Composition 9. Gases in Water 10. Light 11. Temperature 12. Water 13. Soil 14. Fire. Factor # 1. Troposphere: This represents […]
Growth and Reproduction of an Organism | Ecology
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Notes on Carl Woese’s Concept
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It was realized by the biologists during recent past (1970s-80s) that the classification based on genetic characteristics (rather than phenotypic ones) with respect to evolutionary relatedness (phylogeny) of organisms may prove more stable and predictable. In 1987, Carl Woese of University of Illinois (USA) summarized ten years of work and proposed a phylogenetic classification system […]
Patterns of Carbon and Energy Metabolism
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In this article we will discuss about the patterns of carbon and energy metabolism in organisms. Carbon and energy metabolism are intimately associated in all living organisms. On the basis of the ability of organisms to obtain carbon and energy from usable sources, they can be divided into several categories. Considering the energy source first, […]
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