Burlington Public Library MA

I wonder why fish grew legs and other questions about prehistoric life, Jackie Gaff

eng

illustrations

index present

non fiction

I wonder why fish grew legs and other questions about prehistoric life

50560834

Jackie Gaff

I wonder why

Tackling some of the tricky questions about prehistoric life, this new addition to the "I Wonder Why" series explores how dinosaurs and early animal life lived with a unique mixture of realistic illustrations and engaging cartoons. Full-color illustrations

What is prehistory? -- How do we know about prehistoric life? -- When did life on Earth begin? -- What is evolution? -- What is extinction? -- When did fish appear in the oceans? -- Were sharks around in prehistoric times? -- What were the sea scorpions? -- When did plants get a foothold on land? -- Why were prehistoric plants important? -- Why did fish pop their heads above water? -- Why did fish grow legs? -- Where did coal come from? -- Which insect was as big as a bird? -- When did reptiles appear? -- Which animals grew sails? -- Which were the first furry animals? -- What were the ruling reptiles? -- How long did dinosaurs rule the land? -- Did dinosaurs rule the skies? -- Did dinosaurs rule the seas? -- Where did birds come from? -- When did the first flowers bloom? -- Why was Tyrannosaurus king of the dinosaurs? -- Were mammals around in dinosaur times? -- Which babies lived in their mother's pocket? -- How do we know the dinosaurs died out? -- What killed the dinosaurs? -- Which animal took over from the dinosaurs? -- When were elephants as small as pigs? -- Which cats had dagger-sized teeth? -- Who was Lucy? -- When did humans get handy? -- Who were the first explorers? -- Who were the wise humans? -- What were the ice ages? -- Did ice age people live in caves? -- Who were the first farmers?

primary