A) similarities in body structure. B) similarities in DNA. C) similarities in number mates. D) similarities in early development.
A) fossil A B) fossils A and B are the same age C) fossil B D) fossil C
A) to provide information about how life and environmental conditions may have changed B) to provide information about how current life forms would exist in previous environmental conditions C) to provide information about current life forms and current environmental conditions D) to provide information about how previous life forms would exist in current environmental conditions
A) rare minerals B) hieroglyphics C) footprints and shells D) rocks and sand
A) Fossils can be used to date the time period of rocks and rock layers when the organism lived. B) Fossils can give clues of changes in the organism´s body structure over time. C) Fossils give clues about environmental changes where the organism lived. D) All of the statements are true.
A) carbon film B) original remains C) permineralized remains D) trace fossil
A) That these rocks must have been moved there by some one else. B) That these organisms left the ocean and climbed to the top of an inland mountain to die. C) That these rocks were once below the surface of an ocean. D) That these rocks were always above the surface of an ocean.
A) the fossil record B) the distance from the Sun to the Earth C) the sickness of the mantle D) the time it takes to orbit the Earth
A) weathering, erosion, plate tectonics B) fossils C) rapid burial, gentle burial, burrowing animals and hard parts D) rock cycle processes
A) original material that includes mummified fossils and remains preserved in amber, tar pits, or ice. B) an organism dies and the carbon in its body starts to break down. C) the body of an organism leaves an imprint in the sediment. D) an organism´s body tissues are replaced by minerals and preserve the shape of the organism´s body.
A) B B) C C) A D) A and B
A) B B) B and C C) A D) C
A) two plates move toward and away from each other. B) two plates slide horizontally past each other. C) two plates move toward each other. D) two plates move away from each other.
A) Crust, Asthenosphere, Ocean B) Asthenosphere, Lithosphere, Trench C) Trench, Volcanic Arc, Continental Crust D) Lithosphere, Oceanic Crust, Continental Crust
A) mountain ranges B) strike slip faults C) mid-ocean ridges D) rift valleys
A) a fault B) a syncline C) an anticline D) a sinkhole
A) the gravitational attraction of the Moon B) intense radiation from the Sun C) strong water currents in the ocean D) the movement of tectonic plates
A) only travels through solids. B) are not originate at the earthquake focus. C) compress and expand motion in direction of travel and have faster velocity. D) do not create motion at Earth´s surface.
A) the name of scientist who first discovered plate tectonics. B) a type of thick, sticky lave C) the process by which tectonic plates move around the Earth. D) the name of the ancient supercontinent.
A) Two landmasses combined to form Africa. B) Rift valleys are a part of every continent. C) Continents may have broken in the past as well. D) A meteorite collided into this place.
A) Only continental drift theory explains why the coastlines of the continents seem to match. B) Only continental drift theory explains why climates on the continents have changed over time. C) Only plate tectonics theory explains why mountain ranges are located where they are. D) Only plate tectonics theory explains the patterns of earthquakes and volcanic eruptions on Earth.
A) The continents of Africa and South America were once joined together as a single landmass. B) New seafloor is being formed at the mid-ocean ridges as the plates move apart. C) Old seafloor is diving back into the mantle at subduction zones. D) Continental rocks are much older than the rocks that make up the ocean basins.
A) Only the continents move, traveling slowly over and through Earth´s crust. B) All of the continents were once joined together into a single supercontinent. C) Earth´s crust is made of pieces that move slowly over, against, and apart from each other. D) The continents are fixes and have always been located in their present positions.
A) It was rejected at the beginning but was later accepted. B) It was accepted from the beginning and still is today. C) It was rejected from the start and is still not accepted. D) It was accepted at first but has since been rejected.
A) Metamorphic B) Sedimentary C) Igneous
A) behaves like a fluid. B) is divided into tectonic plates. C) includes Earth´s crust.
A) mountains. B) crust. C) asthenosphere. D) core.
A) the asthenosphere. B) space. C) Earth´s surface.
A) Seismic waves. B) Tectonic plates movement. C) Building falling apart. D) A volcanic eruption.
A) B B) A C) C D) B and C |