Principles of Ecology Chapter 2.1.

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Presentation transcript:

Principles of Ecology Chapter 2.1

Biotic & Abiotic Factors 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

Forest Community …………..

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

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

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

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

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

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