Predator/Prey Simulation

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# Predator/Prey Simulation - PowerPoint PPT Presentation

Predator/Prey Simulation. Final Write up is due 9/16. Planning. Purpose/Question : How does the predatory and prey relationship of ______ and _______ effect the negative feedback process seen in the natural environment? Hypothesis :

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## Predator/Prey Simulation

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Presentation Transcript
1. Predator/Prey Simulation Final Write up is due 9/16

2. Planning Purpose/Question: How does the predatory and prey relationship of ______ and _______ effect the negative feedback process seen in the natural environment? Hypothesis: The negative feedback process can be seen through the linked population fluctuations of predators and prey over time.

3. Planning Variables: To understand your ratios and variables, you will need to first research which predator and prey relationships you want to use. • Determine the Independent variable and the dependent variable • Decide which variables are constant, (ie the ratios, drop height, territory size etc.)

4. Planning Predicting ratios: • Determine how many prey will feed 1 predator and keep them alive for 1 reproductive cycle. • Determine how many prey will feed 1 predator in order to care for future offspring. • Determine the reproduction ratio of prey and reproduction ratio of predators. • Determine the counting of prey eaten by predator when landing on more than 1 prey.

5. Planning • Examples of ratios: • fox: hare • Predator survival – 1:2 • Predatory survival and produces offspring for next trial– 1:4 • Reproduction rate of prey – 2hares:4offspring • Reproduction rate of predators – 1parent:2 offspring • Starting population sizes: 3:30 • If all predators die, start next simulation with 3 predators

6. Planning Materials: • Masking tape (for outline of territory) • 24 - 2”X2” squares for predators • 300 – 1”X1” squares for prey • Notebook/graph paper for data table • Pen or pencil for recording data