Three of the following are principles of adaptation and change formulated by Charles Darwin. Which statement was not used by Darwin when he described his theory of Natural Selection back in the 1800's? Question 1Select one: a. Every individual of a species struggles to survive under the environmental conditions in ecosystems. b. Changes in the genes of some chromosomes (mutations) may influence future generations. c. Some individuals in a population may show variations in structure, function, and/or behaviour. d. Individuals of a species with favourable traits may pass these traits on to the next generation of offspring.