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WorksheetsEvolution Flashback 2-29
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What layer is the oldest?
a)
H
b)
A
c)
E
d)
L
2.
in an undisturbed rock layer what law do we use to tell what layer is oldest and what layer is youngest?
a)
Law of faunal succession
b)
Law of superposition
c)
Law of cross cutting relationships
d)
Law of inclusions
3.
List the layers from oldest to youngest.
a)
H, E, G, L, C, M, D, J, A, N, B, F
b)
A, E, G, L, C, H, M, D, J, N, B, F
c)
E, G, L, C, H, M, D, J, N, K, B, F
d)
E, G, L, C, H, M, D, J, A, N, K, B, F
4.
Radiometric dating tells the __________ age of rocks.
a)
relative
b)
absolute
5.
What term do we use to describe the time it takes for half of a substance to decay into something else?
a)
Isotope
b)
Half-Life
c)
Decay
d)
Half-Piece
6.
Isotope A decays to Isotope B. If there are 750 grams of Isotope A, how much would be left after 5 half lives?
a)
23.4375 grams
b)
46.875 grams
c)
93.75 grams
d)
187.5 grams
7.
Isotope A decays to Isotope B. The half life of isotope A has a half life of 1400 hours. If you start with 2000 grams of Isotope A how many years would it take for there to be less than 100 grams left?
a)
1400 hours
b)
2800 hours
c)
4200 hours
d)
7000 hours
8.
Define homologous structure
a)
similar function; different structure
b)
similar structure; different function
c)
remnants of structures left from ancestor organisms
d)
similar structure; similar function
9.
Define analogous structure.
a)
similar function; different structure
b)
similar structure; different function
c)
remnants of structures left from ancestor organisms
d)
similar structure; similar function
10.
Define vestigial structure
a)
similar function; different structure
b)
similar structure; different function
c)
remnants of structures left from ancestor organisms
d)
similar structure; similar function
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