Aranan Tarih Aralığı: 2025-6-1 / 2025-06-02 Aranan Kelime: one difference between the frog and the perch is the frog has gills and the perch has lungs the frog has a closed circulatory system ...

Aranan Tarih Aralığı: 2025-6-19 / 2025-06-20 Aranan Kelime: one difference between the frog and the perch is the frog has gills and the perch has lungs the frog has a closed circulatory system ...

Explore the anatomy of a frog through detailed dissection. Observe internal organs, circulatory & reproductive systems. An educational look at amphibian biology.

Scientists from Queen Mary, University of London, have discovered how changes to a frog's immune system may be the key to beating a viral infection which is devastating frog populations across the UK.