Rainforests have been declining rapidly over the last few decades. There are various factors responsible for this decline‚ resulting in serious impacts on the environment and the economy. Critically discuss the causes of deforestation and solutions to it. Deforestation is the cutting down of a large area of trees and the destruction of forests by people. Forests are what we call an exhaustible resource‚ one which can be used up if it is not used carefully. Over the last few decades‚ deforestation
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Ecology Assignment: Emily Toney AP Biology (Ernst) 1. Fill in the ecological hierarchy chart below. Different levels of ecological study (1149) Ecological Level | Description | Example | Organismal | Organismal ecology includes the subdisciplines of psychological‚ evolutionary‚ and behavioral ecology‚ is concerned with how an organisms structure‚ physiology and (for animals) behavior meet the challenges posed by its environment. | How do hammerhead sharks select a mate? | Population
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the organisms (biotic) and the conditions (abiotic) which exist in an area Abiotic factors: all the non-living factors in an environment‚ such as rainfall‚ temperature‚ soil. Biotic factors: All the living organisms in an area – such as producers‚ predators and parasites. Population: All the members of one species living in an area Community: The total of all the populations living in an area (i.e. all the biotic factors) Ecosystem: The community of living organisms and the abiotic factors affecting
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= cellular respiration‚ photosynthesis c) Nitrogen cycle = nitrification‚ denitrification‚ nitrogen fixation‚ ammonification‚ atmospheric deposition d) page 1140 – 41 7) Using an example for each‚ discuss the following ecological concepts: a) Succession 1. um... look at prompt 5 b) Energy flow between trophic levels 1. look at chap 54 study guide.... 2. primary productivity and secondary productvity 3. energy transfer only about 10%
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A tropical rainforest is an ecosystem that occurs roughly within 28 degrees north or south of the equator (equatorial zone between the Tropic of Cancer and Tropic of Capricorn). They are characterised by their humidity (average of 88% in the rainy season and 77% in the dry season)‚ hot temperature (average 27.9 °C during the dry season and 25.8 °C during the rainy season) but more importantly their extremely high rainfall (torrential rainfall - between 1‚500 mm and 3‚000 mm annually). Tropical rainforests
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environment because it affects the biotic and abiotic factors in the particular environment.
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Chapter 1 - Scientific Methods Objectives 1. Demonstrate a basic knowledge of classroom/science safety. 2. Understand the purpose of a hypothesis‚ and identify when a hypothesis should be used. 3. Be able to identify the independent and dependent variables in a formalized hypothesis. 4. Differentiate between an observation and an inference. 5. Contrast quantitative and qualitative observations. 6. Given a data table‚ draw and label a graph. Including a title‚ labeled units‚ and legend. 7
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levels off at carrying capacity. 4. Exponential growth: (shown as J-shaped curve) geometric increase of a population as it grows into an ideal unlimited environment. 5. Niche: the sum total of a species use of the abiotic and biotic resources in its environment 6. Symbiosis: an ecological relationship between organisms of two different species that live together in direct contact 7. Commensalism: A symbiotic relationship in which the symboint benefits but the host is neither helped nor harmed. 8
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Amazon Rainforest Part 1 1. The name of the ecosystem you are researching? Amazon Rainforest ecosystem. 2. A map of the area where the ecosystem is located. 3. An explanation of the key abiotic components of the ecosystem? That are non-living chemical and physical factors in the environment‚ which affect ecosystems. A good example is that a lot of small bushes and shrubs would not be able to live here because all the really tall trees would block most of the sunlight causing a lack
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(containing oxygen‚ nitrogen‚ and carbon dioxide). What are the biotic components of your front yard? The biotic components are the blue grass‚ moss‚ and pine trees. The biotic components are the cardinals‚ raccoons‚ bees‚ mosquitoes‚ beetles‚ blue grass‚ moss‚ worms‚ and pine trees. The biotic components are the cardinals‚ robins‚ raccoons‚ bees‚ mosquitoes‚ humans‚ beetles‚ blue grass‚ moss‚ worms‚ and pine trees. The biotic components are the cardinals‚ robins‚ raccoons‚ bees‚ mosquitoes
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