Biological Evidence and the Fossil Record Answers

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

What do scientists need to look at before developing an argument?

Studying the anatomy of different organisms allows scientists to determine how different species have evolved over time. Which type of anatomic structure are bird wings and butterfly wings when compared to each other?

What is the most likely reason that horses and mountain goats have hooves?

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

Which structures are similar in function, but do not indicate that the organisms are related?

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

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?

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

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?