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Biology 18 Online
SkyVoltage43:

John is observing a few slides of a human embryo. The first slide shows a neural tube and the second just a compact mass of cells. Which phases of human embryos are the slides? first slide: blastula; second slide: gastrula first slide: gastrula; second slide: neurula first slide: neurula: second slide: morula

SkyVoltage43:

@Warriorz13

Warriorz13:

first slide: neurula: second slide: morula

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