resources for survival
TRANSCRIPT
What does the graph below illustrate?
What does the graph below illustrate?
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CompetitionCompetition
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EcosystemEcosystem•An ecosystem is composed of
the interactions between the living (biotic) and nonliving (abiotic).
•An ecosystem is composed of the interactions between the living (biotic) and nonliving (abiotic).
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NonlivingNonliving
•Abiotic factors- the nonliving parts of an organism’s environment.
•Examples include air currents, temperature, moisture, light, and soil.
•Abiotic factors affect an organism’s life.
•Abiotic factors- the nonliving parts of an organism’s environment.
•Examples include air currents, temperature, moisture, light, and soil.
•Abiotic factors affect an organism’s life.
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LivingLiving
•Biotic factors- all the living organisms that inhabit an environment.
•All organisms depend on others directly or indirectly for food, shelter, reproduction, or protection.
•Biotic factors- all the living organisms that inhabit an environment.
•All organisms depend on others directly or indirectly for food, shelter, reproduction, or protection.
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Abiotic or Biotic?Abiotic or Biotic?
Biotic
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Abiotic or Biotic?Abiotic or Biotic?
AbioticAbiotic
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Abiotic or Biotic?Abiotic or Biotic?Abiotic or Biotic?Abiotic or Biotic?
AbioticAbiotic
CompetitionCompetition• Competition between organisms (same
species or different) arises due to a limit on certain essential resources needed for survival.
–Such as:
•Water
• Food
• Shelter
• Space
• Competition between organisms (same species or different) arises due to a limit on certain essential resources needed for survival.
–Such as:
•Water
• Food
• Shelter
• Space
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Two types of CompetitionTwo types of Competition
•Intraspecific-Competition between members of the same species. (Near carrying capacity)
•Interspecific-Competition between individual of different species
•Intraspecific-Competition between members of the same species. (Near carrying capacity)
•Interspecific-Competition between individual of different species
What effect does wolves population size have on the
moose population size?
What effect does wolves population size have on the
moose population size?