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Principles of Ecology

Principles of Ecology. Chapter 2.1. Biotic & Abiotic Factors. Biotic = Living organisms Abiotic = Nonliving Soil,Air,Water Substrate. Population:. Number of Individuals Same Species In an area or place. Community. All the Plants & Animals In a given area ? Community of Del Mar.

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Principles of Ecology

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  1. Principles of Ecology Chapter 2.1

  2. Biotic & Abiotic Factors Biotic = • Living organisms Abiotic = • Nonliving • Soil,Air,Water • Substrate

  3. Population: • Number of Individuals • Same Species • In an area or place

  4. Community • All the Plants & Animals • In a given area • ? Community of Del Mar

  5. Forest Community …………..

  6. Ecosystem: Both biotic and abiotic factors in a large area:

  7. Niche versus habitat Habitat = • Place Niche = • Role • Producer, Consumer or Decomposer • Adaptations

  8. Niche overlap? • Do not overlap • Competition eventually is harmful • Specialized adaptation wins out

  9. Beneficial Symbiosis= Living together Commensalism= Only one benefits Mutualism= Both benefit Harmful: Parasitism= One benefits & Host slowly harmed Organism Interrelationships:

  10. Tape worm Parasite: • You are harmed because it lives off your intestinal fluids • Segments break off to form a new worm!

  11. Lichen=Fungus + algae Fungi = • carbon dioxide • moisture Algae = • food • Oxygen • MUTUAL SYMBIOSIS

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