Name: ___________________________________ Date: ____________________
Science
Spiral Review
1. True or
False
Relative dating of fossils is different from radioactive dating of fossils because
Monday
relative dating requires observing the location in which the fossil was found.
2. A geologist would most likely work for a company that manufactures which
product?
A. clothing
B. gasoline
C. tanning lotion
D. vaccines
3. What percentage of all the species that ever lived on Earth has become extinct?
A. Nearly 50%
4. True or
B. Nearly 60%
C. Nearly 75%
D. More than 99%
False
Uniformitarianism is a principle that states that geologic change occurs suddenly.
1. Who is Charles Darwin and what did he do on his journey around the world?
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Tuesday
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2. Change in a kind of organism over time is known as ______________________.
3. The diagrams show rock layers from
three different road cuts near one
another. In layers containing fossils,
several fossils were found but the
diagrams show only one fossil of
each type. Which rock layer is the
youngest? _________________
Wednesday
1. _________________________ is the branch of biology and medicine concerned
with the study of embryos and their development.
2. A relative who lived in the past is known as a(n) _________________________.
3. How are fossils evidence for Charles Darwin’s idea that all new species descend
from an ancestor? __________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
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1. True or
False
Thursday
Extant organisms are no longer in existence.
2. What is an adaptation and how does it relate to Charles Darwin’s theory? _______
___________________________________________________________________
___________________________________________________________________
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3. What is a cladogram? _________________________________________________
__________________________________________________________________
1. _____________________ ______________________ are structures in different
species that are similar because of common ancestry.
2. What is natural selection? ____________________________________________
Friday
__________________________________________________________________
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3. Remnant of a structure that may have had an important function in a species’
ancestors, but has no clear function in the modern species is a(n)
____________________ ___________________.
4. In the phrase “survival of the fittest,” the term “fittest” refers to
A. the biggest organisms
C. the smartest organisms
B. the best-adapted organisms
D. the fastest organisms