The types of plants that you could expect to see growing first after the flood is : B. Lichen
Lichen lives among filaments of fungus and form some sort of symbiotic relationship with them
hope this helps
What it eats, what weather it's build for and DNA
Simply use a stop watch. Begin the stop watch when the necessary elements have been added and stop it immediately as soon as it turns purple. Repeat the process a few times to make sure the timing is accurate.