• Ap Biology Ecology Project
    ? (1229) There are normally only four levels in a food chain because that is all that an ecosystem can support based on the fact that only 10 percent of the energy in one trophic level is passed to the next, then 10 percent of that is transferred to the next trophic level meaning only 1 percent of...
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  • Sulutions for Deforestation
    create products in our everyday lives, including furniture, paper, and kitchen cabinets. But while wood is a renewable resource, many logging activities in the tropics are done without regard to the forest ecosystem. Over time this can limit the forests' ability to regrow, leading to reduced...
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  • Climate and Terrestrial Biodiversity
    recycling, and limit the numbers in the populations of the grazing animals, which will ensure that overgrazing does not occur. 7. What type of biome do you live in? List three ways in which your lifestyle is harming this biome. Answers will vary by region. Ways in which lifestyle harms the...
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  • Sci/256 Week 2 Discussion Question
    Identify a natural ecosystem in which you live or one near to where you live? How does this ecosystem support you? At what trophic level are you? Why? An ecosystem (2011), according to Merriam Webster Learners Dictionary, is everything that exists in a particular environment. An ecosystem...
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  • Biodiversity
    areas. Protected areas managed mainly for the sustainable use of natural ecosystems. | | | | | Thinking Point | | | Identify the protected areas in the region where you live, and place them in the protected area categories mentioned above. What conservation concerns are particular to...
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  • Aquatic Ecosystem
    physically or chemically, which in the long run affects the lives of organisms that live in these communities; • Hot water is used in many industries to cool machinery. This water is removed via a discharge pipe into the river. This increase in temperature can affect the level of oxygen freely...
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  • Biology Study Sheet
    the interactions of organisms with one another and with their environment - not “the ecology” (wouldn’t say protect “the physics”) - not Environmental Science – study of how natural world works Ecological Systems Nested hierarchy - lowest level: look at individual organisms - biosphere...
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  • Ailing Planet
    desertification is a natural process of an ecosystem, it could have been stopped. The people of Nigeria and even many surrounding countries have taken up many processes that are increasing the rate of desertification. Nigerians are poor and live by the easiest ways of life, which is very destructive towards...
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  • Ap enviromental science chapter
    and warm the troposphere. This natural greenhouse effect makes the planet warm enough to support life. 3-3 What are the major components of an ecosystem? A.​The major components of ecosystems are abiotic (nonliving) water, air, nutrients, solar energy, and biotic (living) plants, animals, and...
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  • Evolutions in Ecology and Weather Research Paper
    live where they do? Look at the past. Lets say South America and South Africa have very similar animals but they’re so far apart from each other. Why? Because at one point (135 million years ago) they used to be connected. They have slowly diverged over time. What if we have things uniting with...
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  • Environment Data
    . Make a list of the plastic articles you usually use. How can you reduce the amount of plastic you use? What effects does plastic have on our environment? Where did the plastic come from/ how is it made? Do you feel you should change the way you use water? How can you change this so that it is...
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  • Coral Reef
    why corals don't live in areas where rivers drain fresh water into the ocean. What are the different types of reefs? Scientists generally divide coral reefs into four classes: fringing reefs, barrier reefs, atolls and patch reefs.  Fringing reefs grow near the coastline around islands...
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  • Food Chain
    community shown below. Assume 90% of the mass from each trophic level is lost before the next level is reached. 3. A biomass pyramid for a pond ecosystem is shown below. How would you account for the fact that the shape of this pyramid does not seem to conform to typical biomass pyramids...
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  • Notes
    . This is why any extinction or decrease/increase in population from normal levels is devastating in the ecosystem. An ecosystem is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the non-living physical (abiotic...
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  • geography
    Jurassic Coast Dorset: Good e.g. on p 184 of text book. Key stakeholders (interest groups).   Sand Dunes and Saltmarsh (Studland Dunes part of the Jurassic Coast and Thames Estuary). Why are these important ecosystems? How are people impacting on these? What interest groups are being involved and...
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  • Components of Biodiversity
    rise to triploid progeny (3 sets of chromosomes), which are sterile. This is why polyploidy can result in instant, or abrupt, speciation. Which type of speciation is most prevalent? Polyploid series of related species are easy to identify and can be common, especially among plants. More generally...
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  • Ecology Notes
    difficulties of studying systems at this level of complexity, it can be done. In some places, entire ecosystems have been set aside for long-term ecological research. One example is the Hubbard Brook Ecosystem Study http://www.hubbardbrook.org. I encourage you to visit their site to get an idea of the...
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  • just a help
    Question 1 (10 points) Which of the following is not appropriate behavior in lab?   a wearing goggles  b wearing sandals  c moving with caution near lab materials  d tying back long hair Question 2 (10 points) What should you do if you spill a small amount of acid on your hand?  a...
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  • Sci 209 Complete Course Oceanography
    . Does one idea seem more plausible than the other? If so, why? Base your findings on the natural event you identified earlier in the paper. The Earth's magnetic field creates invisible lines of force. Throughout time, the polarity of the Earth has changed. We know this by the orientation of magnetic...
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  • Ap Bio
    limited in length? How much energy is typically transferred to each higher level? 19. What is a dominant species? For the area where you live, what would be considered a dominant tree species? 20. How is a keystone species different from a dominant species? 21. Name one keystone species, and explain...
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