impact of human activity and its relation to invasive species. The habits being destroyed and the invasion of foreign species alternates the ecosystem is based on 3 factors. The first when invasive species arise‚ the
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clearly marked “End of Exam” box. REQUIRED QUESTIONS: Content Points Earned Points Available 1. Describe the hydrologic cycle in detail. How does the hydrologic cycle help make oceans more acidic? What role does pH play in the health of ocean ecosystems? 4.0 Your Response to Q1: The bodies of water on Earth through evaporation enter the atmosphere. Vaporization also happens when plants and animals add water through transpiration. Water vapors gather in the atmosphere creating clouds with condensation
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trees to create a forest on non-forest land. It is different fromreforestation‚ which is replanting trees where a forest has been depleted. The main purposes for implementing afforestation are commercial forestry and environmental restoration or preservation. When afforestation is used for commercial purposes‚ it usually involves planting and harvesting of trees as agricultural crops. Areas where this is done are known as plantation forests. Harvesting trees from plantation forests helps to reduce
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Introduction: The world’s total forest area is just over 4 billion hectares‚ which corresponds to an average of 0.6 ha per capita (Figure 1). The five most forest-rich countries (the Russian Federation‚ Brazil‚ Canada‚ the United States of America and China) account for more than half of the total forest area. Deforestation – mainly the conversion of tropical forest to agricultural land – shows signs of decreasing in several countries. Around 13 million hectares of forest were converted to other uses
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the Taiga The Taiga biome is the largest terrestrial biome. It is a vast forest that includes heavy snow‚ as well as a variety of different animals. This biome can be found in Alaska‚ Canada‚ as well as many places more. The geography of the Taiga has poor soil‚ tall trees‚ and is followed by the Tundra as well as the Permanent Ice caps. This terrestrial biome has both abiotic and biotic factors that can sustain an ecosystem. Sense the Taiga is typically near mountains‚ it is prone to natural disaster
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As you go deeper into the never-ending forest the outside world closes. Not a house‚ a car or a person in sight‚ all alone in an enchanted forest. The trees stand together yet are still completely alone. They are like shadows‚ haunting one another. I looked up at the glistening‚ starry leaves‚ gleaming like raindrops. The sounds of the rattling of tiny plants‚ grass‚ and swirling leaves on the ground was almost completely silent‚ only the wind that made the whistling sounds among the bare trees was
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evolutionary or behavioral shift towards a different ecological niche. An example could be of squirrels in England. The Red Squirrel is native to Britain but its population has declined due to competitive exclusion‚ disease and the disappearance of forests in Britain. The Grey Squirrel was introduced to Britain in about 30 sites between 1876 and 1929. It has easily adapted to parks and gardens‚ replacing the red squirrel (Source http:/ /www.redsquirrels.info/). Species can divide up a limiting resource
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Dexter Patrick S. Baltazar NASC 10/ Planet Earth-Jungles Last meeting‚ we viewed a documentary entitled Jungles (Planet Earth Diaries episode) that focused mainly on the ecosystem and different factors involved in tropical rainforests. The emphasis mainly developed around the idea of biodiversity. It is quite interesting that these environments only consist three percent of the total land in the entirety of the world but is a standing habitat to most of living organisms (50%) of different kingdoms
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Multiple-Choice Questions Chapter 2: Marine Ecology 1. Which environment has historically been the most stable? w. desert x. coral reef y. tundra z. tropical rain forest 2. Most sea life is found in which area? w. On or above continental shelves x. In trenches y. Along mid-ocean ridges z. Near deep-sea hydrothermal vents 3. Coastal upwelling results in ________. w. carbon dioxide-rich water surfacing x. warm water surfacing y. mixing of salt and freshwater z. lower high tides 4. The yellow-green
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increasing population‚ the need for forest products‚ such as‚ fuel‚ timber‚ bamboo grasses etc. increased dramatically for habitation. Hence deforestation becomes a permanent feature of our normal life. The single largest problem faced by the developing world for dwindling in their forest resources is deforestation. Causes of Deforestation: The main cause of the present day crisis is increasing population. Majority of people living in rural areas depend on forest for their firewood for cooking.
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