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Beneath the SurfaceObserving an Aquatic Ecosystem
Key Objectives: The student will:– Investigate and understandthe carbon, nitrogen andwater cycles
Key Objectives: The student will:– Differentiate among keyprocesses in the water,carbon and nitrogen cyclesand analyze ho...
Key Objectives: The student will:– Recognize that the carbondioxide oxygen cycle is partof photosynthesis
Key Objectives: The student will:– Define and/or identify theliving (biotic) and nonliving(abiotic) components /factorsof...
Key Objectives: The student will:– Observe local ecosystemsand measure and classify thebiotic and abiotic factors
Key Objectives: The student will:– Define and describe a simplefood chain
Key Objectives: The student will:– Compare and contrastcomplex relationshipsbetween terrestrial,freshwater and marineecos...
Key Objectives: The student will:– Use a food web and energypyramids to analyze the flowof energy in ecosystems
Key Objectives: The student will:– Relate the role of humans in theecosystem
Key Terms Ecosystem Biotic factor Abiotic Factor Water Quality Limiting Factors Habitat Community Population Food...
Ecosystem An ecosystem is made up of livingorganisms which interact withothers in their own population, thecommunity and ...
Ecosystem
Biotic Factor All living things in an environment
Abiotic Factor All non-living and never livedthings in an environment They determine which organismsare able to live in ...
Abiotic and Biotic Factors
Limiting Factors Factors that prevent thecontinuing growth and survival ofan organism
Limiting Factors
Water Quality How healthy or how good thewater is to support acommunity
Water Quality
Habitat The environment where a speciesexists
Habitat
Community All the living parts of anecosystem that live in the sameplace at the same time
Community
Population All individuals of one speciesliving together in a given area
Population
Food Chain The order in which energy travels– ProducersPlants– ConsumersHerbivores, Carnivore, Omnivores– Decomposers
Food Chain or… More simply put:– Algae makes food (glucose)– Tiny fish eats algae– Bigger fish eats tiny fish,– Bear eats...
Food Chain
Food Web The intricate food web of foodchains that shows interactionsbetween many sources of foodfrom producer to the con...
Food Web
Predator - Prey The relationship between whatanimals (the predator) do theeating and what animals areeaten (Prey)
Predator – Prey
Lab TimeNow it is time to introducethe new lab.Pease open your Green labguidesRead the introductionsilently as I read i...
Essential Learnings There are four levels oforganization within a Biome– An Ecosystem– A Community– A Population– An Orga...
Essential Learnings Living things in the environmentare called Biotic Factors
Essential Learnings Nonliving features of theenvironment, such as waterquality/quantity, sunlight, rangeof temperature, s...
Essential Learnings The number of different types oforganisms an ecosystem cansupport depends on biotic andabiotic factors
Essential Learnings Factors that prevent survival ofan organism are called LimitingFactors
Essential Learnings Limiting factors could include:– Lack of resources– Predation– Unsuitable climate– Disease
Essential Learnings Ecosystems are dynamic andchange over time
Essential Learnings Changes that effect organismscan be :– Daily– Seasonal– Long-term
Essential Learnings Large Scale events such asEutrophication (the addition ofexcess nutrients) or catastrophicevents like...
Essential Learnings Organisms have specificstructure, functions andbehaviors that enable them tosurvive in their ecosystem
Essential Learnings Populations of organisms arecategorized by the way theyobtain food in an ecosystem Plants and manymi...
Essential Learnings Anything that makes its ownfood is called a Producer
Essential Learnings Most everything else mustobtain food from anothersource. Consumers consume foodmade by producers
Essential Learnings There are three types ofconsumers– Herbivores – Plant eaters– Carnivores – Meat eaters– Omnivores – M...
Essential Learnings There is a third member of thefood cycle that starts at the endof life These break down dead plantsa...
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Science 7 notes glb lab 04 beneath the surface

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Transcript of "Science 7 notes glb lab 04 beneath the surface"

  1. 1. Beneath the SurfaceObserving an Aquatic Ecosystem
  2. 2. Key Objectives: The student will:– Investigate and understandthe carbon, nitrogen andwater cycles
  3. 3. Key Objectives: The student will:– Differentiate among keyprocesses in the water,carbon and nitrogen cyclesand analyze how organismsfunction to recycle matter intothe ecosystem
  4. 4. Key Objectives: The student will:– Recognize that the carbondioxide oxygen cycle is partof photosynthesis
  5. 5. Key Objectives: The student will:– Define and/or identify theliving (biotic) and nonliving(abiotic) components /factorsof an ecosystem
  6. 6. Key Objectives: The student will:– Observe local ecosystemsand measure and classify thebiotic and abiotic factors
  7. 7. Key Objectives: The student will:– Define and describe a simplefood chain
  8. 8. Key Objectives: The student will:– Compare and contrastcomplex relationshipsbetween terrestrial,freshwater and marineecosystems
  9. 9. Key Objectives: The student will:– Use a food web and energypyramids to analyze the flowof energy in ecosystems
  10. 10. Key Objectives: The student will:– Relate the role of humans in theecosystem
  11. 11. Key Terms Ecosystem Biotic factor Abiotic Factor Water Quality Limiting Factors Habitat Community Population Food Chain Food Web Predator – prey
  12. 12. Ecosystem An ecosystem is made up of livingorganisms which interact withothers in their own population, thecommunity and the non-livingparts of the community Can be large or small
  13. 13. Ecosystem
  14. 14. Biotic Factor All living things in an environment
  15. 15. Abiotic Factor All non-living and never livedthings in an environment They determine which organismsare able to live in the environment
  16. 16. Abiotic and Biotic Factors
  17. 17. Limiting Factors Factors that prevent thecontinuing growth and survival ofan organism
  18. 18. Limiting Factors
  19. 19. Water Quality How healthy or how good thewater is to support acommunity
  20. 20. Water Quality
  21. 21. Habitat The environment where a speciesexists
  22. 22. Habitat
  23. 23. Community All the living parts of anecosystem that live in the sameplace at the same time
  24. 24. Community
  25. 25. Population All individuals of one speciesliving together in a given area
  26. 26. Population
  27. 27. Food Chain The order in which energy travels– ProducersPlants– ConsumersHerbivores, Carnivore, Omnivores– Decomposers
  28. 28. Food Chain or… More simply put:– Algae makes food (glucose)– Tiny fish eats algae– Bigger fish eats tiny fish,– Bear eats fish
  29. 29. Food Chain
  30. 30. Food Web The intricate food web of foodchains that shows interactionsbetween many sources of foodfrom producer to the consumer
  31. 31. Food Web
  32. 32. Predator - Prey The relationship between whatanimals (the predator) do theeating and what animals areeaten (Prey)
  33. 33. Predator – Prey
  34. 34. Lab TimeNow it is time to introducethe new lab.Pease open your Green labguidesRead the introductionsilently as I read it aloud
  35. 35. Essential Learnings There are four levels oforganization within a Biome– An Ecosystem– A Community– A Population– An Organism
  36. 36. Essential Learnings Living things in the environmentare called Biotic Factors
  37. 37. Essential Learnings Nonliving features of theenvironment, such as waterquality/quantity, sunlight, rangeof temperature, soil composition,air quality, and water chemistryare called Abiotic Factors
  38. 38. Essential Learnings The number of different types oforganisms an ecosystem cansupport depends on biotic andabiotic factors
  39. 39. Essential Learnings Factors that prevent survival ofan organism are called LimitingFactors
  40. 40. Essential Learnings Limiting factors could include:– Lack of resources– Predation– Unsuitable climate– Disease
  41. 41. Essential Learnings Ecosystems are dynamic andchange over time
  42. 42. Essential Learnings Changes that effect organismscan be :– Daily– Seasonal– Long-term
  43. 43. Essential Learnings Large Scale events such asEutrophication (the addition ofexcess nutrients) or catastrophicevents like drought, flood or firealso change ecosystems
  44. 44. Essential Learnings Organisms have specificstructure, functions andbehaviors that enable them tosurvive in their ecosystem
  45. 45. Essential Learnings Populations of organisms arecategorized by the way theyobtain food in an ecosystem Plants and manymicrorganisms make their ownfood
  46. 46. Essential Learnings Anything that makes its ownfood is called a Producer
  47. 47. Essential Learnings Most everything else mustobtain food from anothersource. Consumers consume foodmade by producers
  48. 48. Essential Learnings There are three types ofconsumers– Herbivores – Plant eaters– Carnivores – Meat eaters– Omnivores – Meat and Planteaters
  49. 49. Essential Learnings There is a third member of thefood cycle that starts at the endof life These break down dead plantsand animals They are called decomposers
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