Tuesday 13 December 2011

Obelia Medusa

Obelia Medusa is apart of the phyla Cnideria and their class is Hydroza, it is simple in structure. In their life cycle they have two stages: poly and medusa. They are mainly marine aquatic organisms and are diploblastic. They have no brain and the medusae reproduce sexually.

When we looked at the Obelia Medusa it was hard to find it under the microscope. When we did find it there was two different things, one was a spiral shape then we moved it around and found the Obelia Medusa, this is a picture of what we saw.

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