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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
paleontologist
B
ecologist
C
biologist
D
ichthiologist
2) 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
radiometric dating
C
none of the answers
D
absolute dating
3) one of several subdivisions of the time between the Precambrian and the present
A
era
B
subperiod
C
period
D
none of the answers
4) tiny bubble, formed of large organic molecules, that has some characteristics of a cell
A
unicell
B
noncell
C
protocell
D
proteinoid microsphere
5) theory that eukaryotic cells formed from a symbiosis among several different prokaryotic organisms
A
directional theory
B
endosymbiotic theory
C
multiorganelle theory
D
cell theory
6) event in which many types of living things become extinct at the same time
A
extinction
B
disaster
C
mass extinction
D
annihilation
7) large-scale evolutionary changes that take place over long periods of time
A
covergent evolution
B
punctuated equilibrium
C
macro evolution
D
coevolution
8) process by which unrelated organisms independently evolve similarities when adapting to similar environments
A
coevolution
B
convergent evoltion
C
punctuated equilibrium
D
none of the answers
9) pattern of evolution in which long stable periods are interrupted by brief periods of more rapid change
A
covergent evolution
B
adaptive radiation
C
gradualism
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
adaptive radiation
B
none of the answers
C
punctuated equilibrium
D
coevolution
*select an answer for all questions
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