Amphibia
Channel: Dr.Adel Guirguis
Date: 2021-09-12

Class amphibia is one of  the five  chordate classes . It includes cold blood animals that can not maintain their body temperature constant . The body temperature change with surrounding temperature . This video is one from the Cambridge IGCSE biology . Hopefully you find it interesting and useful . This video is useful for 0610  0970 Cambridge syllabus and both Edexcel and Oxford biology .