What does the graph below illustrate?

What does the graph below illustrate?

2

CompetitionCompetition

3

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?