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