The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ? February 3, 2021 / By Preparation Point / Biology Mcqs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA. Environmental biologist B. Paleontologist C. Marine biologist D. Social biologist Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn