Exam 11: Evidence for Evolution

Match each example to the type of evidence supporting evolution. -Bats have the same forelimb bones as humans,but the size of these bones is different.

Which of the following statements about evolution is true?

The geographic locations where an organism (or its fossils)can be found are described as the species' ________.

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

Two different species may have similar features because of

Match each example to the type of evidence supporting evolution. -Dolphins develop hind limb buds,but these structures disappear before adulthood.

The diagram below shows the bone structure of a whale flipper and a bat wing.Which of the following suggests that these two structures are homologous rather than analogous?

Evolution is

In the figure below,the region at the lower right indicated by the arrow is the only modern-day location of the freshwater lungfish.Fossils of the ancestors of the lungfish,however,have been found all over the world (dots throughout the map).What does the distribution of these fossils indicate?

Dolphin embryos develop hind limb buds,but these buds disappear after a short time.What is one mechanism to explain how this change occurs in the embryo?

The evolutionary process by which a population becomes better suited to its environment over time because advantageous traits are passed from one generation to the next is called ________.

Oxygen in the molecules that make up teeth comes from the water and food that an animal ingests.Additionally,carbon isotopes incorporated into the teeth and the shape of teeth can indicate what type of food an animal consumes.What "tooth evidence" would support the hypothesis that Indohyus spent a great deal of its life near or in the water and grazed on plants? Briefly explain your answer.

The study of organisms prior to birth or hatching is called ________.

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.

Briefly propose how it could be possible that the cultivated vegetables Kohlrabi,Brussels sprouts,cabbage,cauliflower,broccoli,and kale are all the same species,Brassica oleracea (common wild mustard).

The fact that small,nonfunctioning hind legs are found in the skeletons of many snakes suggests that snakes

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

An organism from which more than one species has evolved is referred to as a(n)________.The group of organisms arising from it have a common descent.

The fossils of Pakicetus,Ambulocetus,Rodhocetus,and Dorudon are examples of ________,demonstrating the fifteen million years of evolution between Indohyus and Balaena (modern baleen whale).

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?