Generation 1
Practice3hares
1lynx to toss
0eaten this generation
1generation
Tap the habitat to toss.
Rules
Your populations
HaresLynx (right axis)
| Gen | Hares | Lynx | Eaten | Starved | Survived | Young |
|---|
Leave this room and practice on your own.
Run this with a class
Start a class session to get a room code and QR code for students to join. Phones don't need an account. Your browser keeps the instructor key for this room, so you can change the scenario and start new runs.
Class populations
Waiting for groupsHares, class averageLynx, class average (right axis)Each group
Phase plot: class averages
Join on your phone
····
Scan the code, or go to the address and type the room code. One phone per pair.
0phones playing
–average generation
0habitats near full
0habitats down to 1 predator
Show every group
| Group | Gen | Hares | Lynx |
|---|
Instructor
A new run uses the scenario and refuge setting above, clears this screen and resets every phone. The generation limit applies straight away.
Instructor link for another device (keep private)
Anyone with this link can control the room. Students only need the room code.
Lotka–Volterra model
dN/dt = rN − aNP dP/dt = baNP − mP
Over time
Prey, NPredators, P
Phase plot with zero-growth isoclines
Prey isocline P = r/aPredator isocline N = m/(ba)