Life Science

Chapter 6: Adaptations over Time

Adaptations over Time

1.
What may a series of helpful variations in a species result in?
A)adaptation
B)fossils
C)climatic change
D)embryology
2.
Which group do humans, apes, and monkeys belong to?
A)canines
B)rodents
C)primates
D)invertebrates
3.
Which early human group is considered to be responsible for ancient cave drawings discovered in France?
A)Cro-Magnon humans
B)Homo habilis
C)homonids
D)Homo sapiens
4.
Which branch of science studies fossils?
A)physics
B)geology
C)paleontology
D)astronomy
5.
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
6.
By comparing amounts of radioactive and nonradioactive elements in a fossil, its age can be determined through __________.
A)relative dating
B)radiometric dating
C)embryology
D)radiography
7.
Vestigial structures provide evidence of __________.
A)photosynthesis
B)evolution
C)populations
D)gradualism
8.
Studying embryology helps scientists understand __________.
A)how a species reproduces sexually
B)where organisms migrate during their lives
C)the early stages of an organism's growth
D)how a species makes food through photosynthesis
9.
Scientists compare DNA from living organisms to identify __________.
A)geographic isolation
B)natural selection
C)a fossil's location
D)similarities between species
10.
The model of evolution as a slow process is __________.
A)gradualism
B)adaptation
C)chemosynthesis
D)metamorphosis
11.
Change in inherited characteristics over time is called __________.
A)evolution
B)species
C)fossils
D)camouflage
12.
A __________ is made up of all the individuals of a type of plant or animal that live in the same area.
A)homonid
B)bacteria
C)population
D)fossil
13.
What group has opposable thumbs and binocular vision?
A)homonids
B)humans only
C)all primates
D)monkeys only
14.
Which of these is a characteristic of primates?
A)make their own food
B)asexual reproduction
C)non-opposable thumbs
D)binocular vision
15.
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 hawks will most likely decrease.
B)The population of white mice will most likely stay the same.
C)The population of white mice will most likely decrease.
D)The population of white mice will most likely increase.
16.
Which of these is a prosimian?
A)an orangutan
B)a panda
C)an iguana
D)a lemur
17.
Who is responsible for the theory of acquired characteristics?
A)Leakey
B)Marconi
C)Lamarck
D)Watson
18.
When a bat's wing and a bird's wing are compared, similar bone structures are discovered. They are __________.
A)homologous structures
B)Homo sapiens
C)cast fossils
D)naturally selected
19.
A bacteria species that were once killed by penicillin are now resistant to it. What model explains this?
A)gradualism
B)relative dating
C)camouflage
D)punctuated equilibrium
20.
Relative dating allows scientists to find the age of a fossil by __________.
A)unfreezing part of the fossil
B)dating the resin around the sample
C)using radioactive elements in the fossil
D)comparing ages of the surrounding rock layers