Stages of Animal Development: Cleavage, Gastrulation, Organogenesis скачать в хорошем качестве

Stages of Animal Development: Cleavage, Gastrulation, Organogenesis

Before diving into animal diversity, we need a bit more information about animal development, as it will help us understand what we're looking at later. We know that animals reproduce sexually, so a sperm fertilizes an egg to yield a zygote. Then what happens? What is a blastula? What is gastrulation? What about organogenesis? How does one cell become an animal? Let's find out! Script by Ryan Helcoski Watch the whole Zoology playlist: http://bit.ly/ProfDaveZoo General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem Biology Tutorials: http://bit.ly/ProfDaveBio Anatomy & Physiology Tutorials: http://bit.ly/ProfDaveAnatPhys Microbiology Tutorials: http://bit.ly/ProfDaveMicrobio Botany Tutorials: http://bit.ly/ProfDaveBotany EMAIL► ProfessorDaveExplains@gmail.com PATREON►   / professordaveexplains   Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: https://amzn.to/2HtNpVH Bookshop: https://bit.ly/39cKADM Barnes and Noble: https://bit.ly/3pUjmrn Book Depository: http://bit.ly/3aOVDlT