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REVIEW

REVIEW. DO NOW. Write on a piece of paper you FAVORITE thing to do. Earth’s Components (3.1). Lithosphere – rock & sediment Atmosphere – air around the planet Hydrosphere – all the water on the planet Biosphere – total of all living things as well as non-living things on the planet.

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REVIEW

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  1. REVIEW

  2. DO NOW • Write on a piece of paper you FAVORITE thing to do

  3. Earth’s Components (3.1) • Lithosphere – rock & sediment • Atmosphere – air around the planet • Hydrosphere – all the water on the planet • Biosphere – total of all living things as well as non-living things on the planet

  4. Earth Organization (3.1) • Individual organism - Wolf • Population – Pack of wolves • Community – Area such as Woodstock, or the greater area where they live • Ecosystem – Northeastern portion of the US • Biome – Western Hemisphere • Biosphere – The planet

  5. Environmental Factors (3.1) • Biotic Factors (living) – Living things: such as people, animals, bacteria,… • Abiotic Factors (non-living) – Bedrock, mountain or hills, rivers,….

  6. Autotrophs • Primary producers – give an example? • Grass, trees, bushes – anything that produces its own food. Typically through photosynthesis. • Known as Autotrophs • Store energy in forms that other organisms can use when eaten

  7. Heterotrophs • Consumers aka Heterotrophs • You are one, you rely on eating off of something else even if you are a vegetarian. • Some are specialized – Lions only eat meat. Others are generalized – bears can eat fish or plants / berries.

  8. Chemosynthesis • Do all autotrophs need sunlight to grow? • No, some at the bottom of the ocean use chemicals called Chemosynthesis.

  9. NEW MATERIAL • FOOD CHAIN – series of steps in which organisms transfer energy by eating and being eaten. • Primary Producer  Herbivore  Carnivore (pg. 73) • Multiple steps • FOOD WEB – Network of feeding interactions • Herbivores graze on different types of grass • Carnivores feed on different herbivores (pg. 74)

  10. Food Web • More complex than a single, simple chain • Herbivores graze on several types of grasses, and carnivores or omnivores eat herbivores. • Why are food chains a more accurate representation of the feeding relationship?

  11. Energy is always being absorbed by the earth (sunlight) • Matter(elements) are within a closed chain, called biogeochemical cycles • Involve biological processes, geological processes and chemical processes Cycles of matter

  12. Water is always moving between the atmosphere, oceans and the land (pg. 81) • Water can enter the atmosphere in 2 ways: • As water vapor, evaporating from bodies of water • Evaporation from plants in the process of transpiration The Water Cycle

  13. The cooling of water vapor creates condensed water vapor • Clouds (tiny water droplets) • When the droplets become a large enough size, they fall to earth as rain, snow or hail Cloud formation

  14. Water on land  Runoff  Oceans/Lakes/Ponds • Groundwater • Enters plants through roots • Transpiration • Leaf “pores” – stomata • Re-enters atmosphere Water Cycle

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