#12 - More Species Interactions

#12 - More Species Interactions - How to begin receiving...

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How to begin receiving publication “Alerts”
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Plant responses to herbivores • Tolerance – Overcompensation – Undercompensation • Defense! – Constitutive – Inducible • slow build-up, long-lasting • rapid response, short-term – Wild tobacco! – Evolution! Selection! Trade-offs! Are you being munched on by a generalist herbivore, or a specialist on you?
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“Fitness” responses to herbivory • Reduced reproduction – Predation on plants themselves, or on their offspring (seeds)? – What plant part does the predation act on? • Increased mortality – Soon after predation. .. or delayed? – If delayed, what is the “lag” time and how does that time relate to the life cycle of the plant?
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The importance of genetic variation Genetic variation within a population vs. ecotypic variation across populations.
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Competition in three species Prey size to a predatory fish; seed size to Darwin’s finches; cavity opening size in hole-nesting birds that do not excavate their own holes; etc.
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#12 - More Species Interactions - How to begin receiving...

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