Medaka Project Vorismeterko
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Medaka project By Alex Voris and AJ Meterko
4/17 • The medaka is entering Stage 19. It is about 29 hours old and its kail is starting to terminate. You can see part of the head above the oil drop in the picture.
4/20 • After coming back to school after the weekend, Our medakawas on stage 28. It was about 74 hours old and now has a heartbeat. Its blood is pink.
4/20 video
4/21 • Our medaka is now around 102 hours old and is in stage 30. Its blood is turning a darker pink and its heart rate is increasing.
4/22 – Our fish is now about 128 hours old and is in stage 32. It is beginning to develop rapidly in a posterior direction. Its liver is beginning to form
4/22 video
4/23 • Now our medaka is about 168 hours old and is leaving stage 33 and entering stage 34. The fins are widening and the internal organs are getting larger. It is gaining yellow pigment and
2/23 video
4/24 • The medaka is now about 200 hours old and is in stage 35. The mouth is moving upward and is beginning to open and close. The embryo os moving about and is visibly coming into a straighter
4/24 video
4/27 • Our medaka is now over 264 hours old and has hatched. It is now an organism itself and is not in a egg. All of its structures are formed and it can now survive in its environment by itself.
4/27 video
Hatching and Beyond • Most Medaka embryos hatch on the 11th day and at 25 degrees C • They are 4-4.5 mm long upon hatching • Shortly after hatching the head extends, the mouth opens, and motor activity matures • All this takes place around the 270275 hour mark
Hatching and Beyond continued • The medaka fish needs consistently fresh water and an abundant source of food to sustain life. • Medaka eat small micro organisms, and certain types of aquatic vegetation.
Conclusion We hope you learned from this multi media project, and thank you for watching!
-AJ Meterko and Alex Voris
References • The Japanese Medaka (care and development) • http://biog-101104.bio.cornell.edu/BioG101_104/tut orials/Medaka_stills.html
4/17 • The medaka is entering Stage 19. It is about 29 hours old and its kail is starting to terminate. You can see part of the head above the oil drop in the picture.
4/20 • After coming back to school after the weekend, Our medakawas on stage 28. It was about 74 hours old and now has a heartbeat. Its blood is pink.
4/20 video
4/21 • Our medaka is now around 102 hours old and is in stage 30. Its blood is turning a darker pink and its heart rate is increasing.
4/22 – Our fish is now about 128 hours old and is in stage 32. It is beginning to develop rapidly in a posterior direction. Its liver is beginning to form
4/22 video
4/23 • Now our medaka is about 168 hours old and is leaving stage 33 and entering stage 34. The fins are widening and the internal organs are getting larger. It is gaining yellow pigment and
2/23 video
4/24 • The medaka is now about 200 hours old and is in stage 35. The mouth is moving upward and is beginning to open and close. The embryo os moving about and is visibly coming into a straighter
4/24 video
4/27 • Our medaka is now over 264 hours old and has hatched. It is now an organism itself and is not in a egg. All of its structures are formed and it can now survive in its environment by itself.
4/27 video
Hatching and Beyond • Most Medaka embryos hatch on the 11th day and at 25 degrees C • They are 4-4.5 mm long upon hatching • Shortly after hatching the head extends, the mouth opens, and motor activity matures • All this takes place around the 270275 hour mark
Hatching and Beyond continued • The medaka fish needs consistently fresh water and an abundant source of food to sustain life. • Medaka eat small micro organisms, and certain types of aquatic vegetation.
Conclusion We hope you learned from this multi media project, and thank you for watching!
-AJ Meterko and Alex Voris
References • The Japanese Medaka (care and development) • http://biog-101104.bio.cornell.edu/BioG101_104/tut orials/Medaka_stills.html
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