This is a program with
a) a labeled (by clicking on its parts) picture of the amoeba.
b) a 'test' on the amoeba where you use your mouse to draw a line to the correct part of the amoeba.
left arrow key moves to the first page,
right arrow key moves to the second.
If you don't see a photo of an amoeba, press the green start flag.
Click on the amoeba's named parts on page two to start the pen.
Clear pen clears all pen marks.