MIHS-18 Period 5 Regan W

1 collaborator

Regan W (Author)

WHAT IS IT?

A Model showing a population of red bugs who reproduce fast, who only eat grass, be replaced with a population of blue bugs who can eat red and greed grass but reproduce slowly.

HOW IT WORKS

The model starts off with a random number of red bugs and a random number of blue bugs are introduced.

HOW TO USE IT

Press the 'setup' and then the 'go' button' when you want to move one tick forward.

THINGS TO NOTICE

Depending on the number of starting bungs, the blue bug end number will be different

THINGS TO TRY

Add more bugs if youd like, or more grass colours.

EXTENDING THE MODEL

Many things could be added, the sky's the limit.

RELATED MODELS

Sheep-Wolf-Predation and some similar sample models.

Comments and Questions

Please start the discussion about this model! (You'll first need to log in.)

Click to Run Model

turtles-own [ energy ]

to setup
  clear-all
  setup-patches
  setup-red
  reset-ticks
end 

to go
  if ticks >= 12 [
    setup-blue]
   if ticks >= 500 [ stop ]
  move-turtles
  eat-grass
  check-death
  reproduce
  tick
end 

to move-turtles
  ask turtles [
    right random 360
    forward random 3
    set energy energy - 5
  ]
end 

to setup-patches
  ask patches [ set pcolor green]
end 

to setup-red
  create-turtles random 200 [setxy random-xcor random-ycor ]
  ask turtles [ set color yellow ]
end 

to setup-blue
  create-turtles random 20 [setxy random-xcor random-ycor ]
  ask turtles [ set color blue
  if pcolor = red[
    set energy energy + 5]
  ]
end 

to eat-grass
  ask turtles [
    if pcolor = green [
      set pcolor red
      set energy energy + 10

    ]
    if pcolor = red [
      set energy energy - 2
    ]
  ]
end 

to check-death
  ask turtles [
    if energy <= 0 [ die ]
  ]
end 

to reproduce
  ask turtles [
    if energy > 50 [
      set energy energy - 50
      hatch 1 [ set energy 50 ]
    ]
  ]
end

There is only one version of this model, created over 6 years ago by Regan W.

Attached files

File	Type	Description	Last updated
MIHS-18 Period 5 Regan W.png	preview	Preview for 'MIHS-18 Period 5 Regan W'	over 6 years ago, by Regan W	Download

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