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