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