Foraging and competition

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Last updated 2:48 PM on 4/28/26
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8 Terms

1
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What is the purpose of using optimization models in studying foraging behaviour

  • Identify design criteria in biological systems

  • Test hypothesis about that foraging behavior is designed to achieve

2
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What are the key steps in the approach used for optimality in foraging behavior

  • Identify currency

  • Identify likely constraints

  • Compare observed with predicted behaviour

3
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What are constraints when choosing where to eat

  • Avoiding predation

  • Avoiding parasitic infection

4
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What foraging choices do sheep make based on physiological state

  • Nitrogen choice

  • Contaminated faeces choices

  • Trade off choice

5
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What are the plant defences

  • Structural - thorns and spines

  • Digestion reducing chemicals - tannins and lignin

  • Toxic chemicals - pjemolic resins

6
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What is scramble competition

Non defendable resource with no aggression

7
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What is content competition

Defendable resource with aggression

8
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What is vigilance

Variation linked to position in group and group size