1) What is a fossil? a) Remains and impressions of animals and plants. b) Remains of animals and plants. c) Impressions of animals and plants. d) Remains of animals. e) Impressions of plants. f) Animal and plants that are alive. 2) What are mold fossils? a) Fossilized traces of an animal. b) Fossilized impression that leaves a positive image of the organism. c) An actual part of the animal. d) An actual part of the plant. e) Fossilized impression that leaves a negative image of the organism. f) Fossilized traces of a plant. 3) What are cast fossils? a) Formed when trace fossils are filled in, leaving a negative imprint. b) Formed when a mold fossil is filled in and gives a positive impression of the animal. c) Formed when true form fossils are filled in, leaving a negative imprint. d) Formed when a mold fossil is filled in and gives a positive impression of the plant. e) Formed when trace fossils are filled in, leaving a positive imprint. f) Formed when a mold fossil is filled in and gives a positive impression of the organism. 4) What are true form fossils? a) The actual plant. b) An impression of a plant. c) The actual animal or plant. d) An impression of an animal. e) The actual animal. f) An alive animal or plant. 5) What are trace fossils? a) Traces of ancient life that are organism parts. b) Traces of ancient life that aren't plant parts. c) Traces of ancient life that are casts. d) Traces of ancient life that aren't organism parts. e) Traces of ancient life that are molds. f) Traces of ancient life that aren't animal parts. 6) What is relative age dating? a) Comparing the sizes of sedimentary rock layers. b) Comparing the ages of sedimentary rock layers. c) Comparing the sizes of random rock layers. d) Comparing the ages of igneous rock layers. e) Comparing the sizes of igneos rock layers. f) Comparing the ages of random rock layers. 7) What is what is a rocks absolute age date? a) Its estimated age in decades. b) Its exact age in years. c) Its estimated age in centuries. d) Its age in days. e) Its age in decades. f) Its age in weeks. 8) What are paleontologists? a) Scientists who study plants. b) Scientists who study rocks. c) Scientists who study natural causes. d) Scientists who study fossils. e) Scientists who study Earth. f) Scientists who study animals. 9) What does the fossil record show us? (Select two) a) It shows us how long life has been on Earth. b) It shows us what fossils look like. c) It shows us what type of rock is near. d) It shows us what people used to do on Earth. e) It shows us where certain organisms might have lived. f) It shows us what people used to eat. 10) What is the Geologic Column? a) A vertical timelime of stone layers. b) A vertical timelime of sand layers. c) A vertical timelime of rock layers. d) A vertical timelime of animal layers. e) A vertical timelime of plant layers. f) A vertical timelime of Earth's layers. 11) What is evolution? a) Evolution is a population’s gradual change in environments over time. b) Evolution is a population’s gradual change in water supply over time. c) Evolution is a population’s quick change in inheritable traits over time. d) Evolution is a population’s gradual change in inheritable diseases over time. e) Evolution is a population’s gradual change in inheritable traits over time. f) Evolution is a population’s gradual change in food sources over time. 12) What theory did Charles Darwin propose? a) Species change over time because organisms with traits well suited to their environments have worse success surviving and reproducing. b) Species change over time because organisms with traits well suited to their environments have greater success surviving. c) Species change over time because organisms with traits well suited to their environments have worse success reproducing. d) Species change over time because organisms with traits well suited to their environments have greater success reproducing . e) Species change over time because organisms with traits well suited to their environments have worse success surviving. f) Species change over time because organisms with traits well suited to their environments have greater success surviving and reproducing. 13) What did Charles Darwin notice on the Galápagos Islands? a) He noticed that each island had different species with distinct differences. b) He noticed that each island had no species. c) He noticed that each island had similar species. d) He noticed that each island had different species. e) He noticed that each island had the same species. f) He noticed that each island had similar species but with distinct differences. 14) What are the factors of natural selection? (Select 3) a) Reproduction. b) Overpopulation. c) Evolution. d) Competition. e) Extinction f) Variation. 15) What is a homologus structure? a) Body parts of organisms that are similar in structure and position but differ in function b) Body parts that have lost their original function through evolution. c) Body parts of organisms that are similar in structure and position and are similar in function d) Body parts that perform a different function and differ in structure e) Body parts that have gained their current function through evolution f) Body parts that perform a similar function but differ in structure 16) What is an analogus structure? a) Body parts that have lost their original function through evolution. b) Body parts that perform a similar function but differ in structure c) Body parts that perform a different function and differ in structure d) Body parts that have gained their current function through evolution e) Body parts of organisms that are similar in structure and position but differ in function f) Body parts of organisms that are similar in structure and position and are similar in function 17) What is vestigial structure? a) Body parts that have gained their current function through evolution b) Body parts that perform a similar function but differ in structure c) Body parts of organisms that are similar in structure and position and are similar in function d) Body parts of organisms that are similar in structure and position but differ in function e) Body parts that perform a different function and differ in structure f) Body parts that have lost their original function through evolution 18) What is embryology? a) The study of how embryos develop before birth. b) The study of how sand develops. c) The study of how plants develop before birth. d) The study of how embryos develop during birth. e) The study of how rock develops. f) The study of how embryos develop after birth. 19) What is one fact about pharyngeal pouches? a) Some vertebrate embryos do not have one at one stage of development. b) All vertebrate embryos do not have one at one stage of development. c) All plant embryos have one at one stage of development. d) All plant embryos do not have one at one stage of development. e) All vertebrate embryos have one at one stage of development. f) Some vertebrate embryos have one at one stage of development. 20) What is molecular biology? a) Comparing DNA sequences to see how closely related organisms are. b) Body parts that have lost their original function through evolution. c) Comparing DNA sequences to see how closely related animals are. d) All vertebrate embryos have one at one stage of development. e) Comparing DNA sequences to see how closely related plants are. f) Remains of life from an earlier time.

Science-Chapter 6

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