Earth History and Global Change
GEOL1122 Spring 2014
1) c 10) d 19) a
2) a 11) d 20) d
3) a 12) b 21) d
4) d 13) d 22) a
5) d 14) d 23) a
6) a 15) b 24) b
7) d 16) b 25) c
8) c 17) a
9) b 18) a
26) Because they were based on geologic processes that occurred only during part of earth history.
27) biostratigraphy
28-29) a) An abundance of individuals
b) Easily recognized and distinguished
c) Limited age range
d) Widespread geographic distribution
30) Nonconformity
31) electron capture
32) 4.6 Billion Years
33) tree ring dating
34) formation
35) 7.5 Million Years
36) 9 Million Years
37) Mesozoic
38) Cenozoic
39) artificial
40-41) Wisdom teeth or Appendix; pelvis or femur
42) Speciation
43) extinction
44-45) Different structures in different species that resemble one another because they are used for the same purpose (ex. Insect wing and bat wing).
46-47) gradualism; punctuated equilibrium
48) Paleobiogeography
49-50) a) Species produce more offspring than are capable of surviving.
b) There is substantial variability in the characteristics of the offspring.
c) Some characteristics are more advantageous.
d) The advantageous characteristics are more likely passed on to future generations.
Extra Credit: Beagle