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WAEC Biology 2025 Papers
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© africaexams.com
Question : 35
Total: 50
What is the population density of Ageratum sp. of frequency 1,850 on a land area measuring 100m
2
^2
2
?
18.50/m
2
^2
2
18.05/m
2
^2
2
0.50/m
2
^2
2
0.05/m
2
^2
2
Validate
Solution:
Given:
Total number of individuals, N = 1,850
Total Area, A = 100 m
2
^2
2
Population Density =
T
o
t
a
l
i
n
d
i
v
i
d
u
a
l
s
T
o
t
a
l
A
r
e
a
\frac{Total individuals}{Total Area}
T
o
t
a
l
A
re
a
T
o
t
a
l
in
d
i
v
i
d
u
a
l
s
=
1850
100
\frac{1850}{100}
100
1850
= 18.50 plants/m
2
^2
2
© africaexams.com
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