Week 7 Ecosystems and Environment Organisms and Their Environment CLICK link below to hear a Science Course Mentor provide an overview to this section‚ “Organisms and their Environment”: http://wgu.connectpro.acrobat.com/p35559917/ Use Chapter 21‚ Conceptual Integrated Science‚ to address the following items in your notes: 1. What are abiotic and biotic factors? ABIOTIC is non living things such as temperature‚ precipitation ponds‚ rocks‚ sunlight and so forth. Abiotic also includes BIOTIC
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a similar house that I live in. Biome A biome is a geographical area that is very large in size. Each biome as a certain group of animals and plants that come with it. Examples of biomes are the tundra‚ desert‚ grassland‚ and wetlands just to name a few. The biome that I live in is the chaparral biome. It is very much like a desert except it receives more rainfall a year. Most of the plants in my biome are low lying plants that can retain water in their leaves.
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How and why do the world’s biomes differ in their biomass production? The definition of biomass is the total quantity or weight of organisms in a given area or volume. Biomass can differ because of many things‚ including temperature‚ rainfall‚ location‚ and altitude. Tundra and Tropical Rainforest are two contrasting biomes‚ different in many ways. First of all‚ location. Tundra is located in the coldest parts of the world‚ like the most northern parts of America (i.e. Alaska)
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which marine biomes affect the biosphere. Aquatic Biomes 18. Define each layer in a stratified aquatic biome: photic zone‚ aphotic zone‚ benthic zone‚ abyssal zone. 19. Define the following characteristics of lakes: thermal stratification‚ thermocline‚ seasonal turnover. 20. Explain why the following statement is false: “ All communities on Earth are based on primary producers that capture light energy by photosynthesis.” 21. Describe the characteristics of the major aquatic biomes:
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hierarchy‚ starting from the organismal level to the biosphere. 2. What are the two abiotic variables that dictate type of terrestrial biome? Do aquatic and marine systems rely on the same two variables? Why or why not? 3. Which of the terrestrial biomes is the most vulnerable to anthropogenic (human) influence and why? What is being affected? 4. Create a table that lists the biome‚ abiotic variables that are relevant‚ and examples of organisms that would reside there. 5. Why aren’t species all
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TUNDRA The Tundra is the coldest of all the Biomes and being situated in the extreme north of the planet has desert like conditions. It has extremely low temperatures‚ poor nutrients‚ and short growing seasons. There is a very low precipitation of less than five inches a year which is coupled with strong‚ dry winds. There is a very large annual amount of snowfall in the region which surprisingly is advantageous to plant and animal life as the snow provides and insulation layer on the surface of
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2013 Chapter 11 Key Terms Q1: Contrast and explain the concepts of ecosystem and biome. A: An ecosystem is a natural unit consisting of all plants‚ animals and micro-organisms in an area functioning together with all the non-living physical factors of the environment. Among terrestrial ecosystems‚ the type that provides the most appropriate scale for understanding world distribution pattern is called a biome. Q2: What is an ecotone? A: A region of transition between two biological communities
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Biomes – is a large‚ distinct terrestrial region that has a similar climate‚ soil‚ plants‚ and animals regardless of where it occurs. It covers a large geographic area and encompasses interacting landscapes. Landscape – is a large land area covering many square kilometers composed of interacting ecosystem. 9 major biomes in the terrestrial biomes 1. Tundra – also called arctic tundra occurs in extreme northern latitudes wherever snow melts seasonally. 2. Taiga – Is the evergreen forest
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Biomes Comparison Essay Ecologists group earth’s diverse environments into biomes. A biome is a complex of terrestrial communities that develops a large area and is characterized by certain soil climate conditions and particular assemblages of plants and animals. Not all species live in every biome they vary in their adaptations to different conditions. An adaptation is an inherited characteristic that increases an organism’s ability to survive and reproduce. These sorts of variations in plants
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General Certificate of Education Advanced Level Examination January 2012 Geography Unit 3 Contemporary Geographical Issues 1.30 pm to 4.00 pm Monday 30 January 2012 For this paper you must have: an AQA 12-page answer book. You may use a calculator. GEOG3 Time allowed 2 hours 30 minutes Instructions Use black ink or black ball-point pen. Pencil should only be used for drawing. Write the information required on the front of your answer book. The Examining Body for this paper is AQA
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