HSA Biology Public Release 2005 - mdk12
HSA Biology Public Release 2005 - mdk12
HSA Biology Public Release 2005 - mdk12
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Session<br />
1<br />
■3<br />
The table below shows the number<br />
of species of different types of<br />
simple land plants.<br />
NUMBER OF<br />
SIMPLE PLANT SPECIES<br />
Simple Plants<br />
Bryophytes<br />
Club mosses,<br />
spike mosses, and<br />
horsetails<br />
Number of<br />
Species<br />
20,000<br />
1,000<br />
■4<br />
A protein called p53 can keep<br />
cells from dividing. To prevent<br />
cell division, this protein<br />
most likely stops<br />
F<br />
G<br />
H<br />
J<br />
osmosis<br />
mitosis<br />
respiration<br />
mutation<br />
(2)MDB00985<br />
Ferns<br />
Total<br />
12,000<br />
33,000<br />
According to the table,<br />
approximately what proportion<br />
of all simple plant species are<br />
bryophytes?<br />
A 1 3<br />
B<br />
C<br />
1<br />
2<br />
2<br />
3<br />
D 3 4<br />
<strong>Biology</strong> <strong>Public</strong> <strong>Release</strong> <strong>2005</strong> Page 3<br />
Copyright © <strong>2005</strong> by Maryland State Department of Education.