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Animated Tutorial 33.1 Gastrulation
1. What stage of development is gastrulation occurring?
2. Explain the associated between gastrulation and cell differentiation.
3. What is the archenteron?
4. What does the endoderm give rise to?
5. What does the mesoderm give rise to?
6. What does the ectoderm give rise to?
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Animated Tutorial 33.2 Tissue Transplants Reveal the Process of Determination
1. How did experiments reveal that early in gastrulation cells do not have an ultimate fate?
2. In late gastrulation, what was found of the cells?
3. What happened when the dorsal lip was transplanted into a completely separate gastrula?
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Activity 33.1 Extraembryonic Membranes
Practice labeling the parts of this 9 day old chick embryo.
Study Chapter 33 Flashcards and Key Vocabulary