Exam 10: Evidence for Evolution

Tails are found

The hands of a human and the hands of a chimpanzee are similar in structure because humans

Dolphin embryos have both forelimbs,which will become the flippers,and hind limbs,which will not develop.Explain how this supports the conclusion that dolphins are related to humans.

The increase in antibiotic resistance in E.coli as a result of treating healthy animals with antibiotics is an example of ________ driving evolution.

Match each example to the type of evidence supporting evolution. -The freshwater lungfish Neoceratodus fosteri is found on every continent except Antarctica.

Fossils found in deeper layers are ________ than fossils found in more shallow layers.

The human appendix is an example of a(n)________ structure.

When comparing certain amino acid sequences in the protein hemoglobin of humans to those of other animals,scientists found that baboons had seven amino acids that were different than the human protein,dogs had 10 amino acids that were different than the human protein,gorillas had one amino acid that was different than the human protein,and lemurs had eight amino acids that were different than the human protein.Which of these animals is most closely related to humans?

Two fossils of the same species are found in both Africa and South America.What does this indicate?

Some whales have teeth as embryos but do not as adults.What is the most likely explanation of this phenomenon?

A fossil is found in Africa and South America,but nowhere else in the world.What does this tell us about this organism?

Fossils of organisms that lived on Pangaea are likely found

The proteins and DNA of organisms that share a recent common ancestor are ________ the proteins and DNA of organisms that do not share a recent common ancestor.

Pangaea is

Human and fish embryos share a number of features.Why is this?

One of the reasons scientists have had so much difficulty finding a cure for HIV/AIDS is that the HIV virus is quick to evolve resistance to the drugs used to treat it.What is the most likely mechanism for this type of evolution?

Which of the following statements about evolution is true?

Whales have tiny thighbones embedded in the skin next to their pelvis.This is an example of

The fossils of organisms that existed when the continents were connected are distributed across ________ continents than the fossils of organisms that evolved after the continents separated.

Two fossils are found in a hillside.Fossil A was found in an upper layer and fossil B was found in a lower layer.Which of the following statements is true?