A major difference between marine and freshwater animal lies in ______?

سمندری اور میٹھے پانی کے جانوروں کے درمیان ایک بڑا فرق ______ میں ہے؟

Toxicity of body fluids

Mode of locomotion

Productivity capacity

None of these

A major difference between marine and freshwater animals lies in the toxicity of body fluids.

As marine animals regulate high salt concentrations.

While freshwater animals prevent excessive water absorption.

This adaptation helps them maintain osmotic balance in their respective environments.