the following assignments: Option 1: Ecosystem Components Paper Option 2: Ecosystem Components Video and Summary Option 1: Ecosystem Components Paper Select a representative natural ecosystem in your area or one that you are interested in—such as a lake‚ preserve‚ or park—that is managed for native species. • Write a 700- to 1‚050-word paper explaining the following: o The major structural and functional dynamics (processes) of that ecosystem including change over time o How humans
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A food web is the entirety of interrelated food chains in any and every ecosystem. This delicate balance is the connection between predator and prey‚ consumer and producer‚ and autotroph and heterotrophs. Food web’s also allows you to follow the direction of the flow of energy as each organism consumes each of their indicated food sources. For example‚ the energy from the sun is taken in by producers‚ such as ‚ trees‚ grass and fruit. Then goes to an autotroph would be eaten by a second trophic
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Invasive species have a very negative effect on the native species in an area. They can cause a variety of problems from competition for food resources to introducing a new disease that the native species is not immune to. Larval amphibians do not have the defenses to handle introduced predators such as fish in their environment. Therefore introducing fish into these once safe and fish-free water sources will have a huge effect on amphibian population (Wells 825). Reversal of theses introductions
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Ecosystem is a community of living organisms (plants‚ animals and microbes) in conjunction with the nonliving components of their environment (things like air‚ water and mineral soil)‚ interacting as a system. These components are regarded as linked together through nutrient cycles and energy flows. As ecosystems are defined by the network of interactions among organisms‚ and between organisms and their environment‚ they can come in any size but usually encompass specific‚ limited spaces (although
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Juliet C. Rosauro BSBA-MM 2-4D Loss of Biodiversity: How many species are endangered ? ENDANGERED SPECIES: has so few individual survivors that the species could soon become extinct overall or most of its natural range. Characteristics of Extinction-Prone Species: -Low reproductive rate -Specialized feeding habits -Feed at high trophic levels -Large size -Limited or specialized nesting or breeding areas -Found in only one place or region -Fixed migratory patterns -Preys on livestock
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On the Origin of Species chapter IV outlines Darwin’s proposal on how a new species is generated via natural selection over a long period of time. In Darwin’s theory of speciation‚ he proposes that all organisms within a species must express some degree of variation‚ which allow for organisms with the most advantageous variations to produce the most offspring (Darwin 10) This also means that the variations must be heritable from one generation to the next. In chapter IV Darwin uses the examples variants
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THE VALUE OF NATURAL ECOSYSTEMS The most important of the inherent values of natural ecosystems is that they contain within themselves creative powers‚ which‚ over large spans of time‚ have produced the stupendous array of biodiversity the world over. The presence of a species and the things that it can do have a powerful bearing on shaping the environment of all. Organisms help to make the world and then it makes them. Humans are among the most complex of the achievements of the natural forces found
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Greenhouse Effect And Ecosystem Environment plays an important role in human life. Nowadays‚ people are trying to take care of this environment‚ to ensure the prosperity and happiness of their life . Environment or ecosystem is the interaction and interface between living things (biotic) and non-living (a biotic) in nature. Biotic component includes all kinds of living creatures such as humans‚ animals‚ plants and micro organisms. Whereas a biotic components include non-living components such
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Out of all the species that have ever existed since the beginning of time‚ 98% of them are extinct (Facts). There are an estimated 5-10 million species that exist currently and only 1.5 million have been identified (Sherry‚ 2). Scientists classify species into six different groups: plants‚ animals‚ insects‚ algae‚ fungi‚ and microorganisms (Today’s Situation). In the tropical rainforest alone‚ most species are disappearing at the rate of 1% a year (Sherry‚ 6). If the current trend continues‚ at least
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Cycles in ecosystem Water is found ● lakes‚ streams‚ and oceans ● in the atmosphere as water vapor ● in the soil or porous rock deeper under the surface ● movement of water is between is between the atmosphere‚ ground‚ and bodies of water is called the water cycle Water Cycle ● Precipitation cycles water from the atmosphere back to Earth: rain‚ snow‚ fog‚ sleet‚ ect. ● Evaporation cycles water from earth back to the atmosphere ● Transpiration is the
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