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Celeste23 Celeste23
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6 years ago
You are observing a developing embryo under a microscope and see that it has a space in the middle of the endoderm, but no features of a notochord are present. In which stage of development is this embryo?
A) zygote
B) blastula
C) gastrula
D) fetus
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Campbell Biology: Concepts and Connections

Campbell Biology: Concepts and Connections


Edition: 8th
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cstan25cstan25
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6 years ago
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Celeste23 Author
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6 years ago
Good timing, thanks!
amandamraz
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Yesterday
Correct Slight Smile TY
Kstan109
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2 hours ago
This site is awesome
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