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Life in Earth System

IS1: Unit 1, Lesson 1 Life in Earth Systems

What is a Biosphere? the portion of earth that supports life
What is a Biome? Regions of the world with similar climate (weather, temperature) animals and plants
What are the Ecological Levels of Organization? Ecosystem, Community, Population, Organism/species
What is an ecosystem? A collection of all the organisms that live in a particular place, together with their nonliving, or physical, environment.
What are some examples of an Ecosystem? Estuaries, Wetlands, lakes Mountains, Tundra, deserts
What are Earth's systems/spheres? Lithosphere (solid earth), Hydrosphere (water), Atmosphere (gases), Biosphere (All life on Earth), Anthrosphere (human)
What is an open system A system where inputs/outputs flow freely in and out of systems.
What is an closed system A system where inputs/outputs cannot flow freely in and out of systems.
Why do scientist consider Earth to be a closed system? Earth receives radiant energy from the sun and reflects much of it back into space. Earths mass remains consistant.
What is an abiotic factor? A non-living organism
What is a biotic factor? A living organism
Created by: tripletmom2mrj
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