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Unit 5 ecosystems Lucia y Nayara

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Ecosystem
6th Grade

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Unit 5 ecosystems Lucia y Nayara

  1. 1. UNIT 5 ECOSYSTEMS
  2. 2. WATH IS AN ECOSYSTEM?  Ecosystems are the interaction between living organism and the non-living physical environment in which they live.  They can be small or large and can exist inside each other.
  3. 3. WHAT MAKES UP AN ECOSYSTEM? ELEMENTS ORGANISATION Climate Habitat: is a place where an organism lives Physical structure Population: organism of the same species within an ecosystem Altitude Comunity: different populations interact with each other in comunities longitude
  4. 4. TROPICAL RAINFOREST DEFINITION  Are one of the most diverse ecosystems on land.  They are foun in all the world.  The warm is wet.
  5. 5. TROPICAL RAINFOREST PARTS 1.EMERGENT LAYER: emergent trees are usually about 50 or 60 metres tall. Are adapted to survive in hot temperatures and strong winds. 2.CANOPY LAYER: the trees in the canopy are often more than 30 metres tall. Many never leave the treetops and spend their whole lifecycle in the canopy. 3.UNDESTORY LAYER: this is the part of the fores made up of trunks,branches,bushes and shurbs. Predators live in this section. 4.FOREST FLOOR: this part of the forest belongs to invertebrates,fungi and bacteria. The forest floor is dark.
  6. 6. TROPICAL RAINFOREST FOOD WEBS
  7. 7. TUNDRA DEFINITION  They occupies the areas around the Artic Circle and some parts of Antartica.  They have low temperatures and no light for half the year
  8. 8. TUNDRA PHYSICAL ENVIROMENT LIVING THINGS -PERMAFROST PLANTS: LICHENS, MOSSES ,ARTIC WILLOWS, ARTIC POPPIES… -LITTLE RAINFALL ANIMALS: ARTIC FOXES, ARTIC HARES, REINDEER, SONWY OWLS, POLAR BEARDS… -LOW TEMPERATURES -SHORT SUMMER SEASON
  9. 9. TUNDRA FOOD WEBS
  10. 10. FOOD CHAINS  PRODUCERS (PLANTS)  CONSUMERS:  PRIMARY (HERBIVORES)  SECONDARY (CARNIVORES AND OMNIVORES)  TERTIARY (CARNIVORES AND OMNIVORES)  DECOMPOSERS (FEED ON OTHER DEATH ORGANISMS)
  11. 11. FOOD WEBS -THERE IS AN INTERDEPENDENCE OF SPECIES WICH LIVE OFF EACH OTHER. -THESE INTERDEPENDENCIES FORM FOOD WEBS. -ARE MADE UP OF DIFFERENT FOOD CHAINS. -PRODUCE ENERGY (BIOMASS). FOOD FOR THE NEXT TROPHIC LEVEL

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