Focus On Life Science: California Grade 7

Chapter 6: Evolution—Evidence of Change

Standard Assessment

1.
What is a carbonaceous film? 4.e
A)a silhouette of the original organism made of a thin film of nitrogen residue
B)a mold of the original organism made of carbon residue
C)a cast of the original organism made of carbon residue
D)a silhouette of the original organism made of a thin film of carbon residue
2.
Which of these is a tool used to identify organisms? 3.d
A)a stimulus
B)a hypothesis
C)a control
D)a dichotomous key
3.
A classification system commonly used today groups organisms into six _______. 3.d
A)kingdoms
B)domains
C)homes
D)species
4.
What does a paleontologist study? 4.e
A)dinosaurs
B)fossils
C)plants
D)life
5.
Who first proposed the theory of continental drift? 4.f
A)Harry Hess
B)Alfred Wegener
C)Galileo Galilei
D)Albert Einstein
6.
Studying embryology helps scientists understand __________. 3.c
A)how a species makes food through photosynthesis
B)how a species reproduces sexually
C)the early stages of an organism's growth
D)where organisms migrate during their lives
7.
Which person developed a system of organism classification in use today? 3.d
A)Einstein
B)Oparin
C)Linnaeus
D)Marconi
8.
Scientists compare DNA from living organisms to identify __________. 3.c
A)a fossil's location
B)natural selection
C)similarities between species
D)geographic isolation
9.
The human appendix is an example of __________. 3.c
A)a vestigial structure
B)an adaptation
C)gradualism
D)punctuated equilibrium
10.
What kind of information have fossils provided for scientists? 4.e
A)They have helped scientists determine when life first appeared on Earth.
B)They have helped scientists determine when organisms became extinct.
C)They have helped scientists determine when plants and animals first lived on land.
D)all of the above
11.
When a bat's wing and a bird's wing are compared, similar bone structures are discovered. They are __________. 3.c
A)homologous structures
B)cast fossils
C)naturally selected
D)Homo sapiens
12.
What determines whether or not an organism will become a fossil? 4.e
A)its chemical makeup
B)how well it is protected from scavengers, decomposers, and physical agents that break things down
C)the weather conditions at the time of death
D)the type of soil it is buried in
13.
The first word in a two-word name of an organism identifies its __________. 3.d
A)color
B)habitat
C)species
D)genus
14.
Species that evolve in different locations but similar environments can appear similar. This is known as ________. 3.a
A)convergent evolution
B)geographic isolation
C)continental drift
D)structural evolution
15.
What natural preservative have scientists discovered fossils within? 4.e
A)amber
B)frozen ground
C)tar
D)all of the above
16.
How can plate tectonics contribute to evolution? 4.f
A)The movement of plates forces some animals underground.
B)Volcanic eruptions can cause species to become extinct.
C)Separating plates can divide groups of a population
D)Radiation from plate tectonics can cause genetic change.
17.
Which category is the largest in the organism classification system? 3.d
A)a kingdom
B)a species
C)a genus
D)a hierarchy
18.
How is sediment transformed into rock? 4.c
A)Compaction and carbonization occurs.
B)Compaction occurs.
C)Cementation occurs.
D)Compaction and cementation occur.
19.
Vestigial structures provide evidence of __________. 3.c
A)photosynthesis
B)evolution
C)populations
D)gradualism
20.
Plates make up the __________. 4.f
A)aesthenosphere
B)outer core
C)lithosphere
D)crust
Grade 7
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