Help please 20 ponits

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates