Across
- 3. What develops from embryonic layers
- 8. Forms during gastrulation and connects the archenteron to the exterior of the gastrula
- 11. How do most Animals reproduce?
- 13. What are animals?
- 14. What do animals lack?
- 15. Helps support the organs in the abdominal cavity
- 17. what is the germ layer covering the embryo's surface?
- 19. Cleavage leads to the formation of this
- 20. Regulating development of body form
Down
- 1. Protist Where did animals arose from?
- 2. The stage larva undergoes to become a juvenile
- 4. Type of symmetry with no front and back, or left and right body symmetry
- 5. What holds the body of animals together by structural proteins?
- 6. Small changes in major genes
- 7. What is the rapid cell division that an zygote undergoes?
- 9. animals that have ectoderm and endoderm
- 10. Most animals have this one stage
- 12. A two-sided symmetry
- 16. Sexually immature and morphologically distinct from the adult
- 18. the innermost germ layer and lines the developing digestive tube