Biological Evidence and the Fossil Record Answers

Australopithecus is an ape that lived in trees, but could walk on two feet. How might fossils from Australopithecus provide evidence for evolution?

Dogs have a reduced nonfunctional digit on their paws known as a dewclaw. What is this an example of?

What do gradualism and punctuated equilibrium have in common?

Wisdom teeth are the third and final set of human molars that come in during the late teens or early twenties. In some cases, these teeth come in without problems, but they often have to be removed due to misalignment in the jaw, as shown below. Removal of the teeth does not cause any long-term complications in regard to eating.Which type of anatomic structure are wisdom teeth?

Siblings have similar traits because they inherit those traits from a common ancestor. How is this similar to some evidence for evolution?

What is the value of a transitional fossil?

Marsupials are found in North America and Australia, but they would not have been able to swim across the ocean. According to scientists, how did this group of organisms come to live on two separate continents?

Which kind of evidence studies mineralized bone, footprints, or organisms trapped in amber to determine common ancestry?

A scientist makes the argument that she has found DNA evidence that shows that evolution does not exist. What would her evidence have to show for her to be correct?

Whales have what seem like remnants of a pelvis and femur, as shown here.What are these structures an example of?