Gametes and Fertilisation - IGCSE GCSE (9-1) Biology скачать в хорошем качестве

Gametes and Fertilisation - IGCSE GCSE (9-1) Biology

This video covers the following content from the 0610 Cambridge syllabus: 1. Describe fertilisation as the fusion of the nuclei from a male gamete (sperm) and a female gamete (egg cell) 2.Explain the adaptive features of sperm, limited to: flagellum, mitochondria and enzymes in the acrosome 3. Explain the adaptive features of egg cells, limited to: energy stores and the jelly coat that changes at fertilisation 4. Compare male and female gametes in terms of: size, structure, motility and numbers Follow me on instagram & Tik tok: @ashpurescience CREDIT: Images used Studentreader, CC BY-SA 3.0 https://creativecommons.org/licenses/..., via Wikimedia Commons Bobjgalindo, CC BY-SA 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons Sperm stained microscopy picture: Bobjgalindo, CC BY-SA 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons Female reproductive system: Sciencia58, CC0, via Wikimedia Commons Male reproductive system: R. Dewaele (Bioscope, Unige), J. Abdulcadir (HUG), C. Brockmann (Bioscope, Unige), O. Fillod, S. Valera-Kummer (DIP), CC BY-SA 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons