Env. Bio Chapter 17 HIstory Of Life On Earth Vocab: Question Preview (ID: 4119)

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scientist who studies fossils
a) paleontologist b) ichthiologist c) biologist d) ecologist
method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock
a) relative dating b) absolute dating c) radiometric dating d) none of the answers
one of several subdivisions of the time between the Precambrian and the present
a) era b) period c) subperiod d) none of the answers
tiny bubble, formed of large organic molecules, that has some characteristics of a cell
a) proteinoid microsphere b) unicell c) noncell d) protocell
theory that eukaryotic cells formed from a symbiosis among several different prokaryotic organisms
a) endosymbiotic theory b) multiorganelle theory c) directional theory d) cell theory
event in which many types of living things become extinct at the same time
a) mass extinction b) disaster c) extinction d) annihilation
large-scale evolutionary changes that take place over long periods of time
a) macro evolution b) coevolution c) punctuated equilibrium d) covergent evolution
process by which unrelated organisms independently evolve similarities when adapting to similar environments
a) convergent evoltion b) coevolution c) punctuated equilibrium d) none of the answers
pattern of evolution in which long stable periods are interrupted by brief periods of more rapid change
a) punctuated equilibrium b) adaptive radiation c) covergent evolution d) gradualism
process by which a single species or small group of species evolves into several different forms that live in different ways; rapid growth in the diversity of a group of organisms
a) adaptive radiation b) coevolution c) punctuated equilibrium d) none of the answers
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