This activity on embryology and evolution is easily adapted for students in grades 9-12. These kits include live adult fish and comprehensive instruction manuals. 95 ml Steam sterilize the stock solutions before mixing.
Many sources are available.
Life Sciences Sides 1-4. Frames 1804 through 1828 show chicken embryological development. You may wish to develop chicken embryos in conjunction with the fish embryos if you have the ability to do so. Slides of human embryological development. Other resources for embryology studies are listed in the Resources Available section of this activity.