Across
- 3. aquatic insect nymph
- 8. formation of germ layers
- 9. male reproductive part of a flower
- 10. eggs hatch inside the mother
- 11. stage of development before birth
- 12. period of pregnancy
- 13. asexual splitting into two
- 14. early stage of human growth
- 15. production of egg cells
Down
- 1. stalk that supports the anther
- 2. formation of organs in embryo
- 4. highly intelligent primate species
- 5. plants with naked seeds
- 6. nonvascular plants like moss
- 7. incomplete metamorphosis without pupa