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


Env. Bio Chapter Chapter 17 HIstory Of Life On Earth. TEACHERS: click here for quick copy question ID numbers.

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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