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