I would say "gene", as it is the basic unit of heredity.<span />
Evolution of the atmosphere<span>, </span><span>the development of </span>Earth<span>’s </span>atmosphere<span> across </span>geologic time<span>. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth’s atmosphere, though indirect, is abundant. Ancient sediments and rocks record past changes in atmospheric composition due to chemical reactions with Earth’s crust and, in particular, to biochemical processes associated with life.</span>
Pineapple.......... i hope this helps :) :) :)
Answer:
Your answer should be D. A section of DNA that codes for a specific trait.
