1) Charts that show how an organism changes over long periods of time (thousands of years) are showing examples of a) extinction b) trait addition c) evolution d) genetic disorders 2) The timeline of fossils that scientists use to show how life changed on earth is called  a) Natural Selection b) Evolution c) Footprints in the Sand d) The History of Time e) The Fossil Record 3) A plant that lived 2 million years ago, but can't be found anywhere on earth is said to be a) extinct b) hiding c) in remission d) only reproducing with dominant genes 4) Organisms that can mate with other organisms and produce fertile offspring are called a) a fossil record b) a genetic variation c) transparent d) opaque e) a species 5) Which one is NOT a fossil? a) bones buried deep in the ground b) your grandfather's stories from when he was young c) footprints in a rock d) a leaf imprint in a rock e) a mold of an organism filled with minerals f) an organism trapped in tree resin 6) Choosing a horse to reproduce with another horse that can run really fast so the offspring has greater speed, is an example of a) Natural Selection b) Evolution c) Selective Breeding d) cloning 7) When a group within a species separates from other members of its species and over time develops its own unique characteristics a) speciation b) genetic variation c) genetic resistance d) selective breeding 8) What is one piece of evidence used by scientists to explain evolution a) genetic variation b) similar structures between organisms c) mutations d) classification e) intelligence 9) Diurnal worm population goes down due to diurnal birds eating them. Nocturnal worm numbers increase due to a) the fossil record b) genetic breeding c) survival of the fittest d) resistance 10) What is one piece of evidence used by scientists to explain evolution a) similar DNA found in different organisms b) genetic variation c) mutations d) genetic disorders 11) The preserved remains of an organism are called a) genetic variation b) mutations c) adaptations d) fossils e) speciation 12) If a brown bird and a blue bird have similar beaks it probably means that  a) they are from the same parents b) they are the same species c) they migrate to the same place d) they eat the similar food e) they live in the same area 13) Genetic mutations are a) always harmful b) always helpful c) can be helpful or harmful depending on the situation d) unlikely to ever happen 14) What is one piece of evidence used by scientists to explain evolution a) selective breeding b) intelligence c) genetic disorders d) fossils 15) The Rock Pocket Mice with black fur mice live on volcanic rock and tan fur mice live on sand because a) they can't get along b) there were genetic mutations then natural selection happened c) scientists wanted to run an experiment 16) Genetic mutations in an organism a) will always kill the organism due to Natural Selection b) might be passed on to the offspring c) only affects the organism that has the mutation 17) If an organism has a common ancestor with another organism,  a) they might have similar DNA b) they will be the same species 18) If an organism has a common ancestor with another organism, a) they will live in the same area b) they might have similar traits and structures 19) When looking at a flock of chickens, some have more black speckles in their feather than others. This is due to a) imprinting b) genetic variation c) fossilization d) Lamark's idea of evolution e) natural selection 20) Organisms that better adapt to their environment and are able to reproduce can do so because of  a) natural selection b) the fossil record c) selective breeding d) cloning 21) The changes that happened over time to the color of human skin was a result of  a) amounts of sunlight, melanin, and Vitamin D b) people's beliefs c) cultural practices

Natural Selection

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