Which lists the three major groups of primates in the proper order from earliest to most recent?

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.