sap asked in Science & MathematicsBiology · 2 months ago

What are the major stages of early animal development, and how do protostomes differ from deuterostomes?

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  • 2 months ago

    In the protostomes, the 1st opening is the mouth and the 2nd opening is the anus. For the deuterostomes, this is the opposite. The 1st opening for deuterostomes is the anus and the 2nd opening is the mouth.

    I am not sure about the stages of animal development though.

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