PREDATION

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PREDATION
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PREDATION
An interaction in which one individual benefits
at the expense of another
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predation
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competition
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mutualism
amensalism
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PREDATION
4 types of predators
1. Carnivores
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CARNIVORES
Kill prey immediately
Kill many individuals over lifetime
May prey on several different species
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PREDATION
4 types of predators
1. Carnivores
2. Herbivores
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HERBIVORES
Prey on plant material (leaves, seeds, fruits)
Prey is usually not killed, but biomass removal
still has a negative effect
Often eat many individuals and species
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PREDATION
4 types of predators
1. Carnivores
2. Herbivores
3. Insect parasitoids
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Venturia canescens
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PARASITOIDS
Kill prey (host), but not immediately
Only feeds on 1 individual during lifetime
Only lays eggs on 1 species
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PREDATION
4 types of predators
1. Carnivores
2. Herbivores
3. Insect parasitoids
4. Parasites
(5. Cannibals)
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hookworm
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PARASITES
Usually dont kill prey (hosts)
Spend whole life in/on 1 individual
Parasites usually species-specific