Question
Biology Question on organisms and populations
Bell-shaped polygonal pyramid indicates
A
high percentage of young individuals
B
moderate percentage of young individuals
C
low percentage of young individuals
D
low percentage of old individuals
Answer
low percentage of old individuals
Explanation
Solution
Bell-shaped polygonal pyramid indicates almost equal number of pre-reproductive and reproductive (young) individuals.
Post-reproductive (old) individuals are comparatively fewer. The population size remains stable, neither growing nor diminishing.