Extinct Species: Dodo Bird Joseph Sulaiman Pd.2 The dodo (Raphus cucullatus) was a flightless bird endemic to the Indian Ocean island of Mauritius. Related to pigeons and doves‚ it stood about a meter (3.3 feet) tall‚ weighing about 20 kilograms (44 lb)‚ living on fruit‚ and nesting on the ground. The dodo has been extinct since the mid-to-late 17th century. It is commonly used as the archetype of an extinct species because its extinction occurred during recorded human history and was directly attributable
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Field investigation of an ecosystem Located 20km out of Portland; Bridgewater Bay has many secluded rock pool locations that are accessible to biologists for investigation. In this experiment‚ the aim was to study small sections of a rock poll that contained a distribution of organisms. These organisms that were located were found in the littoral zone of Bridgewater’s rocky seashore. A littoral zone is made up of a community of aquatic organisms habiting the narrow strip of coast. The organisms
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Urban ecosystem and Ecopolis Lai Wei March 29‚ 2012 Introduction When people talk about the city‚ the first thing they thought is the building and the traffic. It’s hard to connect city to the ecological and the environment. But as the humanity is rapidly urbanizing‚ by 2010‚ more than 50% of the world population is expected to live in the city. (The World Bank‚ 2010) Cities can be tremendously efficient. It can easier to provide water and sanitation for a large number of people living
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How Humans Impact Marine Ecosystems Earth consists of many complex organisms that share and benefit from all of what the world has to offer. Conservation and protection of marine life is becoming more significant as humans better understand the importance of the oceans and how people have an affect on them. Just as people treasure and protect areas of land it is just important to treasure and keep the oceans safe. Marine life is becoming increasingly damaged because of threats from human activity
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ECOSYSTEMS BIODIVERSITY- the variety of life on Earth and the essential interdependence of all living things. Three components of biodiversity; 1. Genetic- variety within species 2. Species- all different species 3. Ecosystems- can support diversity Advantages of biodiversity Oxygen Food Clean water Medicine Aesthetics Intrinsic vs Utilitarian value Intrinsic value is something that has value in and of itself Utilitarian value is the value something has‚ as a means
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What Shapes an Ecosystem? Ecosystems are made up of: * Biotic factors- all living parts of an ecosystem (plants‚ animals‚ bacteria) * Abiotic factors- all nonliving (but natural) parts of an ecosystem (soil‚ wind‚ water) These factors together (biotic and abiotic) determine which types of organisms can live in that particular ecosystem. A habitat- the place where an organism lives- includes both biotic and abiotic factors A niche includes both the habitat of an organism and its unique
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Chapter 9: Ecosystem Approach Variation of Forests in Their Age‚ Makeup‚ and Origins A. 2 Major Types of Natural Forests 1. Old-growth/ Primary -uncut/ regenerated forest that has not been seriously disturbed by human activities/ natural disasters for 200 years or more - reservoirs of biodiversity (provide ecological niches for a variety of wildlife species) 2. Second- growth - stand of trees resulting from secondary ecological succession B. Tree Plantation/ Tree Farm/ Commercial Forest
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Where can Protists primarily be found? Most Protists can be found in wet areas‚ tree trunks and other organisms 2. What niche do Protists fill in an ecosystem? Protists have a big role in marine life‚ it serves as housing for many animals and food for many as well. 3. What are the 3 categories of Protists? Animal-like protists plant-like protists and fungus-like protists 4. What are the 4 types of Protozoa and how does each one move? Ciliates : Have hundreds of tiny cilia that move it through
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scientific knowledge has helped humanity comprehend the complex relationships in ecosystems and the devastating effects of human interference. As a result we have become increasingly aware of the need to protect and manage the ecosystems that we do have remaining for their utility‚ genetic‚ intrinsic and heritage values and also for the need to allow natural change and thus evolution to take place. Natural ecosystems have provided much that has been of benefit to humanity and with careful protection
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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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