Evolution and Earth History Review
Name_________________________________________
Date____________________________ Pd__________
5. In the picture below of layers of rock, which
layer contains fossils that are younger than the
layer with the index fossil?
1. What are the three types of rock and
how does each one form?
Type 1: ________________ forms when…
Type 2: ________________ forms when…
6. The machinery that evolution tinkers with to
develop new body parts and adaptations is?
Type 3: ________________ forms when…
2. On the picture of the rock cycle shown below,
identify the type of rock being formed at points
A, B, C, and D.
7. There are 4 Eras of time that Earth has
passed through. The first is called the
Precambrian. The rest are the Paleozoic, the
Mesozoic, and the Cenozoic eras. Use pages
279-282 to identify the major changes on Earth
during each of these eras.
Precambrian-
PaleozoicA
B
D
Mesozoic-
C
3. Explain how igneous and metamorphic rock
can become sedimentary rock.
4. Explain how sedimentary rock can become
metamorphic or igneous.
Cenozoic-
8. What is the name of the period in which
animal forms appeared in abundance?
9. Define the following:
A. Index fossil-
B. Trace fossil-
Evolution and Earth History Review
10. Describe 4 ways that fossils can form.
15. What are the 4 parts of the theory of natural
selection? Name and describe them.
11. Explain why the fossil record is incomplete.
16. What is reproductive isolation?
12. According to the following diagram, which
species of finch gives rise to three others?
_____ Ground finches
___I
___I
______ Cocoa finches
___I
I____I______ Tree finches
___I
I__________ Vegetarian finch
___I
I___________ Warbler finch
I __________ Grassquits
13. In the same diagram, what is the oldest
species of finch?
14. Define the following:
A. species-
B. adaptation-
C. evolution-
17. What is selective breeding?
18. Name two ways that populations of a
species can become separated.
19. A piece of evidence that shows that whales
came from land animals is…
20. What is extinction and what are some things
that can cause it?