A model of a simple ecosystem with rabbits and grass.
1. Add and name a new breed (of predator)
2. Give the predator a custom trait of predator energy
3. Create 3 predators, set their, size, shape, color, and initial energy levels and scatter them.
4. Give the predators behaviors:
- move
- eat/prey
- reproduce
- die
5. Add a line for predators to your line graph