Technology and Biology

Starfish Dissection

The afterschool starfish disssection was interesting. The digestive system of the starfish is unique with the mouth in the center, on the underside and then the food is delivered to each of the rays. Below are some photos.
(Click on the above paragraph for a great live video)

17 Year Cicadas

In the AMS classes this week we watched the
award winning video
Return of the 17 YEAR CICADAS
by Roger Hangarter, University of Indiana.

I thought you might like to share the video with someone. You could even tell them about the type of metamorphosis that the cicada goes through! I just know they would be interested. Go ahead, show off your science knowledge!

Here is the link for the video-
17 Year Cicadas


After you watch it check out this video from the BBC featuring
David Attenborough talking about the -

Life Cycle of the Cicada

This summer as you relax, camp, ride your bike, play ball, mow or pull weeds be on the lookout for insects. They are really everywhere! Remember insecta is the largest class of arthropods on earth (second largest? the arachnids!) Post me a note and tell me what you found and some observations you made.