Biotic and Abiotic Factors

1
Introducing
2
Ecosystem
includes all abiotic and biotic factors in one
particular environment
Biotic Factors
Abiotic Factors
the living parts of an ecosystem
the nonliving parts of an ecosystem
3
Ecosystems

• A population is made up of organisms in an
  ecosystem that belong to the same species.
• A community refers to all the populations in an
  ecosystem.
• An ecosystem refers to the biotic and abiotic
  parts of an area

4

• Producers make their own energy
• Consumers eat other organisms to get energy

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4 Types of Consumers

• Herbivores Plant eaters
• Carnivores Animals eaters
• Omnivores Plant and animal eaters
• Decomposers Consumes dead organisms and waste
  and break it down into basic nutrients

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Energy Pyramid
Secondary Consumers or Carnivores and Omnivores
Primary Consumers or Herbivores
Producers
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• Only 10 of energy is passed to the next level  

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Animal Interactions

• Predators are the consumers that capture and eat
  other consumers
• Prey is the organism that is captured by the
  predator

9

• Habitat The place where an organism lives
• Niche How an organism survives, including its
  habitat, how it obtains food and shelter, and how
  it avoids danger.

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Populations

• Limiting factors include anything that restricts
  the number of individuals in a population such as
  competition for food and space
• Carrying Capacity is the largest number of
  individuals of one species that an ecosystem can
  support over time.

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Bibliography
Arms. (1996). Environmental Science.
Orlando,Florida Holt, Rinehart and
Winston, Inc.
McLaren, James E, and Rotundo, Lisa (1985).
Heath Biology. D. C. Heath and Company.
The American Heritage Dictionary of the English
Language, Third Edition. (1992). Houghton
Mifflin Company.