All living organisms are constantly involved in a struggle for existence. This was proposed by? by Sunday | Sep 6 | Biology JAMB | 0 comments A. Morgan B. Darwin C. Lamarck D. Wallace Correct Answer: Option B – Morgan Users Also Read These:The insurance principle which expects the insured…The Bohr model of the atom proposed the existence of___________ consists of living factors (plants and…A collection of population of all living organisms…The relationship between the cost of living and…