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 relationship between the cost of living and…The organization is constantly in a state of fluxThe study which involves the inter-relationship…The Bohr model of the atom proposed the existence ofThe aspects of growth in living organisms include…