Topic 6: Defenses against Predators

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7 Terms

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Predator -prey flow chart

  • search

  • Detect

  • Pursuit

  • Capture

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Detect

1)predator- specific warning calls

2)visual warning displays

3) High fitness displays (honest signals)

4)Approaching the predator

5)Mobbing

6) cohesion/soical grouping

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Pursuit- Defenses of prey

A) Speed & maneuverability

B) Protean responses

C) Aggregated responses

D)Sensory Interference

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Capture- Post capture behavioral defenses

1)Group defense

2) Feigning death (thanatosis)

3)Screams

4)Autotomization

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Optimal foraging

a) When to forage

b) Search Image & learning

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Learning

c) Time spent in each patch

d) Group foraging

e) What to eat

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e) what to eat

  • zoopharmacognosy

  • control of parasites pathology