Typical questions that you should be able to answer about the images on this page:

1) What is the name of this organism? What part of it does this cross section (top image) comes from ?

2) Which of the major animal phyla reviewed in lab does this specimen belong to?

3) Can you identify the following structures in the cross section (top image) : coelom, tube feet, radial canal, gonads ?

_______________________________________1 cm

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Macro scale: ______ 1cm