Question

Choose the correct answers from the alternatives given.
The struggle for existence is a consequence of _______.

• A. Each organism leaving more offspring than needed to replace itself
• B. The inevitable difficulty of coping with climatic conditions
• C. Innate competitive tendencies
• D. Territories and dominance hierarchies

Answer 1

Answer: (A)

A. Each organism leaving more offspring than needed to replace itself

Solution : According to Darwin, prodigality of production is organism's innate behavior and due to this, population increase in geometrical and mathematical ratio. But due to constancy in food and shelter, it leads to struggle for existence.

So the correct answer is "Each organism leaving more offspring than needed to replace itself".