2.1.1 Distinguish between biotic and abiotic components of an ecosystem * Biotic factors in an ecosystem are living‚ biological factors that may influence an organism in an ecosystem * Abiotic factors are non-living‚ physical factors that may influence an organism in an ecosystem 2.1.2 Define the term trophic level * The position that an organism occupies in a food chain‚ or a group of organisms in a community that occupy the same position in food chains 2.1.3 Identify and explain
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Topic 1: Ecosystems at Risk A. Ecosystems and Their Management 2. Vulnerability and Resilience of Ecosystems * Vunerability is the sensitivity of an ecosystem to cope with stress. * Resilience is the ability of an ecosystem (or a component of an ecosystem) to adapt to a changing environment and to restore function and structure following an episode of natural or human-induced stress. * All ecosystems function in a state of dynamic equilibrium or a continual state of balanced change
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Together We Fight by JGardener Tourists on an African safari snap photos of tall grasses‚ bushes‚ and a couple of acacia trees here and there. In the distance‚ a group of giraffes graze. Along with the rustling of the wind over the landscape‚ a gentle whistling resounds. A giraffe approaches and starts munching away on the leaves of one of the acacia trees. Cameras click in rapid succession. Suddenly‚ the huge mammal utters a horrific grunt of pain and runs away shaking its head. “What
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incredibly long distances before finally resulting in downpour. This means that outside of factories and industrial zones‚ acid rain can hit commercial areas‚ and can also spread to wildlife areas‚ such as rainforests‚ forests‚ jungles‚ and other biomes. All this attributes to the rising rates of acidic rain over the past 100 years. The effects of acid rain on living things‚ such as plants‚ marine life‚ animals‚ and humans? There
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Many people may not know that seahorses are a type of fish. Their scientific name is Hippocampus‚ Hippo which means “horse and campus meaning sea monster. Seahorses average life span in the wild is about 1 to 5 years and they range from size 0.6 in to 14 in. Seahorses are very slow‚ they have a top speed of about 5 feet per hour (3). Seahorses are found in shallow areas‚ near the coral reefs‚ seagrass beds etc. They swim by using small fins on their back and behind their heads. Seahorses are the
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Chapter 7: Fragile environments Ecological footprint: measure of the mark that we humans make on the natural world. It considers how much land and sea are required to provide us with the energy for our lifestyles. Sustainability: actions and forms of progress that meet the needs of the present reducing the ability of future generations to meet their needs. Soil erosion and desertification Soil erosion * The washing or blowing away of top soil. * There are three types:
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CREAGOR Cells Respond to stimuli Energy use Adapt Grow and develop Organized Reproduce CREAGOR Cells Respond to stimuli Energy use Adapt Grow and develop Organized Reproduce Midterm Study Guide Survey of Life 1. All living things share the following characteristics: a. All living things are composed of one or more cells b. Organisms are organized c. Organisms use and create energy for growth d. Organisms grow and develop by cell division e.
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Definitions of Science An organized body of knowledge gathered over a long period of time to explain the world we live in. Knowledge or a system covering general truths or the operation of general laws especially as obtained and tested through scientific method. Scientific Method 1. Identifying the problem (Questioning) 2. Gathering Preliminary data 3. Formulating a hypothesis* 4. Testing of the hypothesis 5. Analysis and Interpretation of data 6. Drawing of Conclusion
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Chapter 3 Reading Questions: 1. Core Case Study: “Have you thanked your insects today?”- Explain why insects are significant. Many of the earth’s plant species depend upon insects to pollinate them. Carnivorous insects‚ such as the praying mantis‚ control the ‘pest’ insect population. 2. What percentage of the species on this planet consists of insects? Animals? Plants? 53% are insects; 20% are other animals; 18% are plants. 3. Give three examples of how we benefit from microbes. Soil bacteria
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Cited: "Project Kaisei - Capturing the Plastic Vortex." Project Kaisei - Capturing the Plastic Vortex. N.p.‚ n.d. Web. 05 Dec. 2012. Ballard‚ K. ―The importance and conservation of Biomes.‖ University of California. (2004) "Great Pacific Garbage Patch. “Wikipedia. Wikimedia Foundation <http://en.wikipedia.org/wiki/Great_Pacific_Garbage_Patch>. Captain Charles Moore. Earth Island Journal‚ Aug. 2009. Web. 05 Dec. 2012. Silverman
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