Earth History and Global Change

GEOL1122   Spring 2015

Answers for Practice Test #1

 

1) d                                         10) a                                       19) b

2) d                                         11) d                                       20) b

3) b                                         12) d                                       21) d

4) c                                         13) b                                       22) c

5) a                                         14) c                                       23) b

6) d                                         15) a                                       24) a

7) d                                         16) b                                       25) c

8) a                                         17) c                                      

9) c                                         18) b

                                                                                               

26) It resulted in more structured human behavior and in many cases more productive.

27) Because they formed at the same time as the Earth but the moon and meteorites were not subjected to the same geologic processes (especially weathering and plate tectonic activity).

28) Stratigraphy

29) Nonconformity

30) Electron capture

31) 6.25%

32) 39 million years

33) Horizontality

34-35) Groups of index or guide fossils that better constrain or limit the age of the rock unit the contains them.

36) Seismic stratigraphy

37-38) a) Selective Preservation

            b) Sampling Problems or Decrease in the rock record with increase in rock age

39-40) a) Abundance of individuals

            b) Easily recognized

            c) Limited age range

            d) Geographically widespread

41) Paleobiogeography

42-43) Structures or body parts that evolved from the same ancestral structure or body part but now are much different in different organisms because they are used for different purposes.  (Ex. 5-digit bones in bats, birds, humans and whales)

44) Swamp or deep ocean

45) It is where different species start to resemble one another as they adapt to the same environment.  (Ex. Birds and Insects)

46) Industrial Melanism

47-48) mutations and genetic recombination

49-50) a) Epidemics

            b) Over predation

            c) Change in food chain

            d) Climatic changes

 

Extra Credit: Wallace