Sea Cucumber Substrate Preference

Overview

Objectives/Goals My goal was to find which surface the giant sea cucumber would rather be on or move to. I wanted to see if it would rather be on a plastic, sand, or rock surface. Methods/Materials I used 3 tubs and filled them with water. Then I placed to of the 3 surfaces in one tub. I then placed the giant sea cucumber in the middle of both surfaces. I would switch the container every trial so the light wouldn't affect the giant sea cucumber. Each trial would last 20 min. and I would keep a separate timer for when it would go onto a surface. Results The giant sea cucumber spent 1185 seconds on the sand surface. It spent the 2nd most amount of time on the rock surface which is 1152 seconds. It spent the least amount of time on the plastic surface which was 201 seconds. Conclusions/Discussion I came to the conclusion that the giant sea cucumber preferred the sand surface over the other two surfaces it was exposed to. It did not really spend a lot of time on the plastic surface. This showed me that the giant sea cucumber is most comfortable in its natural habitat.

Competition history

• CSEF 2012 Zoology · Entry J2206

Resources

• CSEF project summary ↗

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