Explain why Rainforests are fragile ecosystems under threat Human beings are the biggest threat to the rainforest ecosystems due to the exploitative nature of our industrial society. As the NIC’s with rainforests in have begun to develop they found the economic value of the rainforests for many international markets as well as internal infrastructure; the resources available are priceless. Logging companies are granted forestry rights‚ usually cheaply‚ to harvest timber to sell abroad for furniture
Premium Forest Tropical rainforest Amazon Rainforest
and is known for its dense fur coat‚ as opposed to a layer of blubber (http://www.defenders.org/sea-otter/basic-facts). The sea otter is a keystone species. A keystone species is “a species on which other species in an ecosystem largely depend‚ such that if it were removed the ecosystem would change drastically” (https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&es_th=1&ie=UTF-8#safe=strict&q=keystone+species+definition). Their predation helps to protect the kelp forests of the shores
Premium Fish Coral reef Ocean
How does CO2 Emissions Affect the Ecosystem? Kenyetta Sloan Bryant & Stratton College Ecology Dr. M. McLellan-Zabielski October 24‚ 2012 What would happen if we didn’t cut trees‚ use transportation‚ even turn on our lights or any electrical item we own? Then global warming wouldn’t exist. The things that we do on the daily basis is what produces carbon emissions‚ when we burn oil‚ coal‚ and gas‚ it releases carbon dioxide into the atmosphere. The result of this is climate change‚ temperature
Premium Carbon dioxide Greenhouse gas
8.2 A Local Ecosystem 1. The distribution‚ diversity and numbers of plants and animals found in ecosystems are determined by biotic and abiotic factors Students Learn to: * Compare the abiotic characteristics of aquatic and terrestrial environments The impact of abiotic characteristics on environments Abiotic Characteristic | Differences | Similarities | | Aquatic | Terrestrial | | Temperature | * Small‚ gradual changes occur | * Large variations may occur | * Temperature
Premium Ecosystem Ecology Food chain
Soil Erosion I. OBJECTIVES: 1. To define soil erosion. 2. To determine the causes and effects of soil erosion. 3. To recognize the importance of soil resources to all inhabitants. II. SUBJECT MATTER: Topic: Soil Erosion Reference: www.wikipedia.org/wiki/erosion Materials: basin‚ soil‚ water‚ plastic‚ cans with small holes‚ cartolina‚ manila paper‚ and electric fan. Lateral Integration: English Values: Integration: Valuing resources in response to environmental issues
Premium
Nino Southern Oscillation estuaries harmful algal blooms intertidal La Nina littoral ocean acidification pelagic photic zone red tides thermohaline circulation upwelling Questions Chapter 15 1. Compare and contrast the main types of freshwater ecosystems. Name and describe the major zones of a typical pond or lake. All freshwater systems are relatively pure and have few dissolved salts. Types of freshwater systems include surface water‚ rivers‚ streams‚ lakes‚ ponds‚ wetlands‚ and groundwater.
Premium Water Aquatic ecology
The organisms in every ecosystem can be assigned to trophic categories. What are these categories‚ and how do they function together in food webs to make sustainable systems? Organisms in ecosystem An ecosystem is an unrestricted of organisms interrelating with respectively other and with their environment like energy is switched‚ such as the cycling of fundamentals‚ emerge. The organism’s ecosystem is a fundamental perception in Biology and Ecology‚ helping as the level of biological association
Premium Ecosystem Organism Food chain
Pollutants are the key elements or components of pollution which are generally waste materials of different forms. Pollution disturbs our ecosystem and the balance in the environment. With modernization and development in our lives pollution has reached its peak; giving rise to global warming and human illness. Pollution occurs in different forms; air‚ water‚ soil‚ radioactive‚ noise‚ heat/ thermal and light. Every form of pollution has two sources of occurrence; the point and the non-point sources
Free Pollution
Lab 12 Model Ecosystems Lab Activity Complete your answers in the spaces provided. USE YOUR OWN WORDS – Yes even for definitions! Remember to add your last name and first initial to the file name prior to saving and submitting your completed assignment through Canvas. The lab website has post lab questions – these are not necessary – you only have to complete the questions in this lab assignment document. Use your textbook‚ notes and this website to answer the pre lab questions. http://www.vtaide
Premium Plant Ecosystem Food chain
2.7 Farmers’ perception of soil erosion Perception‚ according to Lewin (1951)‚ one of the foremost authors in the behavioral studies‚ is a behavioral product of individual life space or what he also calls the psychological environment. To‚ Cox (1972)‚ perception is a “pieces of knowledge‚ which are acquired by the individual as a result of his visual‚ tactile‚ verbal and auditory contacts with the environment about him”. It is the stimulus/response aspect of the process of decision-making with the
Premium Psychology Agriculture Developmental psychology