Gizmo Warm-up Imagine a new alien life form has just been discovered on a nearby planet. Your job is to study this new

life form. The Effect of Environment on New Life Form Gizmo

shows 100 individuals that have been transported from the

planet to your laboratory.

1. The new life form can have three shapes: thin, medium,

and thick. How many of each shape are there now?

Thin:

Medium:

Thick:

2. Click Play ( ). Do the numbers of each type of alien change over time?

3. Click Reset (). A variable is something that can be changed in an experiment. Look on

the SIMULATION pane. What are the three variables you can change in your laboratory?