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Env. Bio Chapter 17 HIstory Of Life On Earth Vocab
Test Description: Env. Bio Chapter Chapter 17 HIstory of Life on Earth
Instructions: Answer all questions to get your test result.
1) scientist who studies fossils
A
biologist
B
ecologist
C
ichthiologist
D
paleontologist
2) method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock
A
none of the answers
B
radiometric dating
C
absolute dating
D
relative dating
3) one of several subdivisions of the time between the Precambrian and the present
A
period
B
era
C
subperiod
D
none of the answers
4) tiny bubble, formed of large organic molecules, that has some characteristics of a cell
A
noncell
B
unicell
C
proteinoid microsphere
D
protocell
5) theory that eukaryotic cells formed from a symbiosis among several different prokaryotic organisms
A
multiorganelle theory
B
endosymbiotic theory
C
directional theory
D
cell theory
6) event in which many types of living things become extinct at the same time
A
extinction
B
disaster
C
annihilation
D
mass extinction
7) large-scale evolutionary changes that take place over long periods of time
A
punctuated equilibrium
B
coevolution
C
macro evolution
D
covergent evolution
8) process by which unrelated organisms independently evolve similarities when adapting to similar environments
A
convergent evoltion
B
none of the answers
C
punctuated equilibrium
D
coevolution
9) pattern of evolution in which long stable periods are interrupted by brief periods of more rapid change
A
adaptive radiation
B
gradualism
C
covergent evolution
D
punctuated equilibrium
10) 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
coevolution
B
adaptive radiation
C
none of the answers
D
punctuated equilibrium
*select an answer for all questions
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