Predator/Prey Interactions

Shell game! http://www.youtube.com/watch?

v=SzEvcS01Cl0

Your Thoughts on Predators/Prey

Predators What kinds to we

have in the forests? What kinds to we

have in the oceans? Are they big? Are they numerous? Can they harm us?

Do they?? Do they compete with

us?

Prey What kinds to we

have in the forests? What kinds to we

have in the oceans? Are they small? Are they numerous? Can we eat them?

Do we??

What characteristics/adaptations are useful to them?

Predators Prey

Was that game fair?

Was it a good analogy? Why? Why not?

Round 2 … then graphs

Taking this one step further… What limits/controls the system?

Top-down controls We’re talking about predators

Bottom-up controls It’s all about nutrients

Food Chain Consequences

My Research A lot like the shell game

Predators tried to find turtle nests (underground)

I tried to find turtle nests and predators

3 experiments

Urchin barren http://

www.youtube.com/watch?v=v_aSl3iL7rM

http://www.youtube.com/watch?v=D3W4OCnHyCs