Search results for: "amphibians"

Animals with Backbone around us The main groups of animals with backbone are: Photo Credit: isamadero79 Via in SlideShare 1- Mammals:……

Posted on 26 May at 02:26

After the formation of gametes, fertilization occurs. There are two mechanisms by which fertilization can take place. First external……

Posted on 20 July at 00:43

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