Diseases such as the flu are spread through contact with contaminated respiratory droplets in transmission. a. indirect contact b. food-borne c. waterborne d. airborne

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.