Show your acquaintance with darwins theory of natural section​

The instrument that Darwin proposed for development is common choice. Since assets are restricted in nature, creatures with heritable characteristics that blessing endurance and propagation will in general leave more posterity than their companions, making the attributes expansion in recurrence over ages.

Explanation:

answer; /// i believe the correct answer is (reactants);

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.