Life Science: Life's Structure and Function, Book A

Chapter 6: Adaptations over Time

Adaptations over Time

1.
Relative dating allows scientists to find the age of a fossil by __________.
A)comparing ages of the surrounding rock layers
B)unfreezing part of the fossil
C)using radioactive elements in the fossil
D)dating the resin around the sample
2.
Studying embryology helps scientists understand __________.
A)how a species makes food through photosynthesis
B)where organisms migrate during their lives
C)the early stages of an organism's growth
D)how a species reproduces sexually
3.
Who is responsible for the theory of acquired characteristics?
A)Watson
B)Marconi
C)Leakey
D)Lamarck
4.
What group has opposable thumbs and binocular vision?
A)all primates
B)monkeys only
C)humans only
D)homonids
5.
The human appendix is an example of __________.
A)gradualism
B)an adaptation
C)punctuated equilibrium
D)a vestigial structure
6.
When a bat's wing and a bird's wing are compared, similar bone structures are discovered. They are __________.
A)naturally selected
B)homologous structures
C)cast fossils
D)Homo sapiens
7.
By comparing amounts of radioactive and nonradioactive elements in a fossil, its age can be determined through __________.
A)radiography
B)embryology
C)radiometric dating
D)relative dating
8.
Which group do humans, apes, and monkeys belong to?
A)primates
B)rodents
C)invertebrates
D)canines
9.
The fossil remains of a __________ were discovered and named Lucy.
A)Cro-Magnon human
B)homonid
C)Neanderthal
D)prosimian
10.
A bacteria species that was once killed by penicillin is now resistant to it. What model explains this?
A)punctuated equilibrium
B)gradualism
C)relative dating
D)camouflage
11.
A mouse population develops an adaptation that results in white fur. They live in a forest with a population of hawks. Which of these statements is true?
A)The population of white mice will most likely stay the same.
B)The population of hawks will most likely decrease.
C)The population of white mice will most likely increase.
D)The population of white mice will most likely decrease.
12.
The punctuated equilibrium model of evolution states that evolution __________.
A)occurs over millions of years
B)occurs rapidly
C)never produces new species
D)occurs only in plant species
13.
The model of evolution as a slow process is __________.
A)metamorphosis
B)gradualism
C)adaptation
D)chemosynthesis
14.
Change in inherited characteristics over time is called __________.
A)camouflage
B)fossils
C)evolution
D)species
15.
Which type of fossil leaves its pattern on sediment that later turns into hard rock?
A)imprint fossil
B)amber fossil
C)cast fossil
D)frozen fossil
16.
A __________ is made up of all the individuals of a type of plant or animal that live in the same area.
A)fossil
B)population
C)homonid
D)bacteria
17.
What may a series of helpful variations in a species result in?
A)climatic change
B)adaptation
C)fossils
D)embryology
18.
Scientists compare DNA from living organisms to identify __________.
A)a fossil's location
B)similarities between species
C)geographic isolation
D)natural selection
19.
Which branch of science studies fossils?
A)astronomy
B)paleontology
C)physics
D)geology
20.
Which of these is a prosimian?
A)an iguana
B)a panda
C)a lemur
D)an orangutan
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