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 sea wave continue to _______ the cliff on the…What does the chemical composition of the genetic…The organization is constantly in a state of fluxThe organs constantly in touch with the liver are?A collection of population of all living organisms…