Focus On Life Science: California Grade 7

Lesson 2: Biological Evidence

Standards Check

1.
Vestigial structures provide evidence of __________. 3.c
A)photosynthesis
B)evolution
C)populations
D)gradualism
2.
Studying embryology helps scientists understand __________. 3.c
A)the early stages of an organism's growth
B)how a species reproduces sexually
C)how a species makes food through photosynthesis
D)where organisms migrate during their lives
3.
When a bat's wing and a bird's wing are compared, similar bone structures are discovered. They are __________. 3.c
A)cast fossils
B)homologous structures
C)naturally selected
D)Homo sapiens
4.
The human appendix is an example of __________. 3.c
A)punctuated equilibrium
B)an adaptation
C)gradualism
D)a vestigial structure
5.
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
Grade 7
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