North Carolina Science Grade 6

Chapter 16: Adaptations Over Time

Adaptations over Time

1.
Studying embryology helps scientists understand __________.
A)how a species makes food through photosynthesis
B)the early stages of an organism's growth
C)how a species reproduces sexually
D)where organisms migrate during their lives
2.
Which scientist would study pesticide-resistant species of insects?
A)an astrophysicist
B)a geologist
C)an entomologist
D)a volcanologist
3.
The fossil remains of a __________ were discovered and named Lucy.
A)prosimian
B)homonid
C)Cro-Magnon human
D)Neanderthal
4.
The model of evolution as a slow process is __________.
A)chemosynthesis
B)gradualism
C)adaptation
D)metamorphosis
5.
Which early human group is considered to be responsible for ancient cave drawings discovered in France?
A)homonids
B)Homo sapiens
C)Homo habilis
D)Cro-Magnon humans
6.
Who is responsible for the theory of acquired characteristics?
A)Marconi
B)Watson
C)Leakey
D)Lamarck
7.
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.
8.
Which branch of science studies fossils?
A)physics
B)paleontology
C)astronomy
D)geology
9.
What group has opposable thumbs and binocular vision?
A)monkeys only
B)humans only
C)homonids
D)all primates
10.
A __________ is made up of all the individuals of a type of plant or animal that live in the same area.
A)population
B)homonid
C)bacteria
D)fossil
11.
Change in inherited characteristics over time is called __________.
A)species
B)camouflage
C)evolution
D)fossils
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.
Which type of fossil leaves its pattern on sediment that later turns into hard rock?
A)cast fossil
B)frozen fossil
C)imprint fossil
D)amber fossil
14.
The human appendix is an example of __________.
A)a vestigial structure
B)gradualism
C)punctuated equilibrium
D)an adaptation
15.
Scientists compare DNA from living organisms to identify __________.
A)natural selection
B)a fossil's location
C)similarities between species
D)geographic isolation
16.
Which of these is a characteristic of primates?
A)binocular vision
B)make their own food
C)non-opposable thumbs
D)asexual reproduction
17.
When a bat's wing and a bird's wing are compared, similar bone structures are discovered. They are __________.
A)cast fossils
B)homologous structures
C)Homo sapiens
D)naturally selected
18.
Vestigial structures provide evidence of __________.
A)photosynthesis
B)gradualism
C)evolution
D)populations
19.
By comparing amounts of radioactive and nonradioactive elements in a fossil, its age can be determined through __________.
A)relative dating
B)embryology
C)radiometric dating
D)radiography
20.
Relative dating allows scientists to find the age of a fossil by __________.
A)dating the resin around the sample
B)unfreezing part of the fossil
C)using radioactive elements in the fossil
D)comparing ages of the surrounding rock layers
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