1. Charles Darwin
   Read and learn about Charles Darwin..
   http: //academickids.com/encyclopedia/index.php/Cha...
   
   
2. Evolution
   Read and learn about the Evolution
   http: //academickids.com/encyclopedia/e/ev/evolutio...
   
   
3. Gregor Mendel
   Read and learn about Gregor Mendelin..
   http: //academickids.com/encyclopedia/g/gr/gregor_m...