What are the two opposing forces that operate growth and development of every population?

وہ کون سی دو مخالف قوتیں ہیں جو ہر آبادی کی نشوونما اور ترقی کا کام کرتی ہیں؟

Biotic potential and environmental resistance

Rate of natality and mortality

Both A and B

None of these

Biotic potential and environmental resistance both influence population growth by either promoting or limiting it.

The rate of natality (birth rate) and mortality (death rate) also control how fast a population increases or decreases.