Principles of ecology
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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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Biotic abiotic factors l.jpg
Biotic & Abiotic Factors

Biotic =

  • Living organisms

    Abiotic =

  • Nonliving

  • Soil,Air,Water

  • Substrate


Population l.jpg
Population:

  • Number of Individuals

  • Same Species

  • In an area or place


Community l.jpg
Community

  • All the Plants & Animals

  • In a given area

  • ? Community of Del Mar



Ecosystem both biotic and abiotic factors in a large area l.jpg
Ecosystem: Both biotic and abiotic factors in a large area:


Slide7 l.jpg

Niche versus habitat

Habitat =

  • Place

    Niche =

  • Role

  • Producer, Consumer or Decomposer

  • Adaptations


Slide8 l.jpg

Niche overlap?

  • Do not overlap

  • Competition eventually is harmful

  • Specialized adaptation wins out


Organism interrelationships l.jpg

Beneficial

Symbiosis=

Living together

Commensalism=

Only one benefits

Mutualism=

Both benefit

Harmful:

Parasitism=

One benefits &

Host slowly harmed

Organism Interrelationships:


Tape worm parasite l.jpg
Tape worm Parasite:

  • You are harmed because it lives off your intestinal fluids

  • Segments break off to form a new worm!


Slide11 l.jpg

Lichen=Fungus + algae

Fungi =

  • carbon dioxide

  • moisture

    Algae =

  • food

  • Oxygen

  • MUTUAL SYMBIOSIS


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