पृथ्वी पर जीवन की कहानी : हिंदी पीडीऍफ़ पुस्तक – बच्चों की पुस्तक | Prathvi Par Jeewan Ki Kahani : Hindi PDF Book – Children’s Book (Bachchon Ki Pustak)
Pustak Ka Vivaran : Kuchh Machhaliyon ne paya ki ve lagbhag har samay jameen par rah sakti theen. Unke meen-pankhon mein pairon ki ungaliyan theen jo unki chalane mein madad karti theen. Machhaliyon jaisi sapat poonchh ke bajaye, unki lambi, seedhi poonchh thee. Ye Jeev apne ande dene aur garmi mein thandak liye hi sirph pani mein vapas jate the……….
Description about eBook : Some fish found that they could stay on land almost all the time. He had toes in his Pisces-feathers which helped him to walk. Instead of a flat tail like a fish, they had a long, straight tail. These creatures used to go back to the water only to lay their eggs and cool down in summer…..
