The Tree of Life

What species is a human's closest living relative?

What mammal is most closely related to primates/colugos?

What living animal is most closely related to elephants?

What type of cat is the most distantly related to any other cat?

What land mammals are most closely related to whales?

Which is more closely related: a grey wolf and a coyote or a grey wolf and a domestic dog?

• a grey wolf and a coyote

• a grey wolf and a domestic dog

What type of bird is most closely related to cassowaries?

How many different species of hummingbirds are there?

Which is more closely related: a tuatara and a turtle or a crocodile and an ostrich?

• a tuatara and a turtle

• a crocodile and an ostrich

How many different species of winged insects are there?