Q. The upright pyramid of number is absent in
A) Grassland
B) Pond
C) Forest
D) Lake
Explanation
[Solution from source] In a forest, a few large trees support many herbivores (insects, birds), so the pyramid of numbers is inverted or spindle-shaped rather than upright. Grassland, pond and lake ecosystems have upright pyramids of numbers. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.