Transcript Predator vs. Prey

Predator vs. Prey
Predator
• Carnivores: kill prey during
attack
• Herbivores: remove parts of
many prey, rarely lethal
• Parasites: consume parts of
one or few prey, can also kill
one prey during prolonged
attack.
The Act of Predation
1. Detection of Prey
2. Attack
3. Capture
4. Consumption
Prey
• Hunted/caught for food
• Victim
• Defenseless in the face of attack
Predator-Prey Cycle
• Predators eat prey and reduce prey’s
numbers
• Predators go hungry and decline in
number
• With fewer predators, prey survive better
and increase
• Increasing prey populations allow
predators to increase
• And repeat…