organisms and their environment habitat & niche habitat is the place a plant or animal...
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Organisms and Their
Environment
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Habitat & NicheHabitat & Niche•HabitatHabitat is the is the
place a plant or place a plant or animal livesanimal lives
•NicheNiche is an is an organism’s organism’s total total way of life.way of life.
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The Nonliving EnvironmentThe Nonliving Environment
• Abiotic factorsAbiotic factors- the - the nonliving parts of an nonliving parts of an organism’s environment.organism’s environment.
• Examples Examples include air include air currents, temperature, currents, temperature, moisture, light, and soil.moisture, light, and soil.
• Abiotic factors Abiotic factors affect an affect an organism’s life.organism’s life.
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The Living EnvironmentThe Living Environment
•Biotic factorsBiotic factors- all the living - all the living organisms that inhabit an organisms that inhabit an environment.environment.
• All All organisms depend on others organisms depend on others directly or indirectlydirectly or indirectly for food, for food, shelter, reproduction, or shelter, reproduction, or protection.protection.
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Abiotic or Biotic?Abiotic or Biotic?
BioticBiotic
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Abiotic or Biotic?Abiotic or Biotic?
AbioticAbiotic
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Abiotic or Biotic?Abiotic or Biotic?
AbioticAbiotic
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Abiotic or Biotic?Abiotic or Biotic?
BioticBiotic
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Community Interactions
Competition-Organisms of the same or
different species attempt to use an ecological resource in the same place at the same time.
Resources – any necessity of life
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Predation- One organism captures & feeds
on another organism- Predator – does the killing- Prey – killed
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Symbiosis = “living together”- Two species live close together- 3 main types
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1. Mutualism-Both species benefit from the relationship
2. Commensalisms-one organism is helped or benefits-other is neither helped or harmed
3. Parasitism- one organism lives on or inside another organism & harms it