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Evolution Jeopardy Evidence of Evolution Evolution Vocabulary Natural Selection Darwin Grab Bag 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 FINAL JEOPARDY Similar structures from common evolutionary origins are called… Answer • Homologous Structures Leg bones present in a snake skeleton are an example of what? Answer • Vestigial Structures Name 2 features present in vertebrate embryos that suggest common evolutionary origins. Answer • Tails • Pharangeal pouches (gill slits) • Limb buds List the 5 different types of fossils. Answer • Molds • Petrified • Casts • Amber-preserved • Imprint Structures that are similar in function but have evolved separately are called what? Answer • Analagous Structures The concept that evolution occurs over long periods of stability that are interrupted by geologically brief periods of change is called… Answer • Punctuated Equilibrium _______________ is a type of selection that favors two extreme traits. Answer • Disruptive _________ __________ is a mechanism for change in a population in which organisms with favorable variations live, reproduce, and pass on their favorable traits. Answer • Natural Selection This graph depicts which type of selection? Answer • Stabilizing Selection –The average or middle are favored –Extremes are NOT favored Explain why individuals compete to survive. Answer • Living organisms overproduce (too many offspring) • Limited resources An insect has evolved to look like a leaf, allowing it to blend in with its environment. This is an example of… Answer • Camouflage Draw a graph depicting directional selection. Answer One extreme is favored Where did Darwin travel to study organisms? Answer • Galapagos Islands How were Darwin’s finches different from each other? What explained these differences? Answer • Their beaks were different • Their beaks were adapted to their diets. Darwin wrote what book to explain his theory of evolution? Answer • On the Origin of Species List the four parts of Darwin’s theory of evolution. Answer • Living organisms produce too many offspring • There is variation among the offspring • There is a struggle to survive (competition) • Individuals that have desirable traits will survive and reproduce. In a piece of rock layers, where would you find the oldest fossils? Answer • At the bottom A pink lump in the corner of the human eye does not serve a purpose anymore. This is an example of… Answer • Vestigial Structure The concept that evolution occurs at a slow, steady pace is called… Answer • Gradualism What are the five types of evidence for evolution? Answer • Speciation Rates • Fossils • Anatomy • Biochemistry • Embryology FINAL JEOPARDY Category: Evolution • Make your wager! • Question FINAL JEOPARDY When studying the evolution of insects, you find that some male insects are able to remove the sperm packet of another male from the reproductive tract of a female. Explain how this is a selective advantage for males. Answer • The male insect can remove the other male’s sperm and replace it with his own sperm into the female. • This way, he ensures that his genes get passed on to the next generation.