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Science

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Science 2

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Science

  1. 1. Episode 02
  2. 2. INTERACTIONS AMONG LIVING THINGS OBJECTIVE : In this unit we will study the different relationships between organisms living together. Then we will also be able to identify the needs that must be met by an organism’s surroundings, biotic and abiotic parts of a habitat, and describe the levels of organizatoin within an ecosystem.
  3. 3. Interaction among living things Symbiosis Competition Predation
  4. 4. COMPETITION Competition is the struggle between organisms to live in an area with limited resources O
  5. 5. What is a Predator ? <ul><li>who Kills another for Food </li></ul>
  6. 6. What is a Prey ? <ul><li>the Food for predators </li></ul>
  7. 7. PREDATION Predator Adaptations: Adaptations that help them to catch the preys. For example: Speed, Sharp teeth, Toxins, Claws, Camouflage, etc. Prey Adaptations: Adaptations help preys to escape from predators. For example: Speed, Change color, Spines, Toxins, Shields, etc.
  8. 8. Prey adaptations
  9. 10. Prey adaptations
  10. 12. False Coloring Prey adaptations
  11. 13. Prey adaptations W A R N I N G COLORING M O R T A L
  12. 14. Predator adaptations
  13. 15. Predator adaptations
  14. 16. Mutualism: Both species benefit Parasitism: One specie benefit while the other one is harmed . Commensalism: One specie benefit but the other one is not harmed
  15. 17. MUTUALISM
  16. 18. MUTUALISM
  17. 19. Parasites <ul><li>They live “ON” or “INSIDE” another organism ( called Host ) and harming it </li></ul>
  18. 20. Parasitism
  19. 21. Anemones tentacles are equipped with cells like small harpoons and contain a poison sufficient to paralyze or kill other fish or predators, But the anemone treats the Clownfish as part of itself and does not sting it, but have no benefit from him. Clownfishes have a close relationship with sea anemones

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