What is the Dewey number for endangered animals?

What are the three kinds of noun? Why is honey bees a keystone species? Is a narwhale a fish? What three actions farmers could take to reduce the effect of pesticides on the environment? What type of habitats do Tundra Animals need to survive? Why the woolly rhino became extinct? What are the names of some endangered foxes? Does the hairy nosed wombat breathe through lungs? What should pandas eat instead of bamboo? Why does the female lion do the hunting? Can zoologist work with pandas? Would a ring-tailed lemur survive in a house as someone's pet? What is a valley habitat? Are peahens endangered? Do wild turkeys weigh more than domestic turkeys? What does the yellow tit eat? What is the wind current called that helps a Bald Eagle fly? What is the definition of National Flood Insurance Zone V? Are pandas independent? What animal could you make extinct today and recreate tomorrow?