Tal­mu­dic Ques­tion #103

Be­cause dif­fu­sion of mol­e­cules in aquatic en­vi­ron­ments does not fa­vor a phys­i­cal net­work?
–bks

this is a fun ques­tion
1) the plant/fungus thing is only about 500million years old, right? it evolved to solve the prob­lem of liv­ing on land. as far as i can tell, the fun­gal phyla did not start out in the sea. are there ma­rine Chytrid­ioy­cota? i won­der whats their clos­est ma­rine rel­a­tive?
I think Mi­crosporidia are re­lated and some are fish par­a­sites? did they evolve on land or at sea?
2) so as the pre­vi­ous com­men­tor and the Mc­Me­namins in their book "Hy­per­sea" men­tioned, no need if there is free dif­fu­sion in aquatic en­vi­ron­ments. but i re­call that the open ocean is low on nu­tri­ents, is that true for the wa­ters in which we find kelp beds? would they ben­e­fit from grow­ing min­eral ab­sorb­ing roots?
3) it took 3billion years for life to come up with the plant/fungus thing and then we soon got trop­i­cal rain forests. maybe in an­other 3billion years kelps will evolve that can grow roots and rise miles up to the open oceans? if trees can do 300 feet of trans­port, why not?
4) be­sides my­c­or­rhiza we've been dis­cov­er­ing that there may be just as many en­do­phytic fungi in lurk­ing about in plants. how many in ma­rine al­gae?
5) Plants, fungi and in­sects are quin­tes­sen­tial land crit­ters, why haven't they been able to ex­plode into ma­rine en­vi­ron­ments?
6) no my­c­or­rhiza in pond plants? hmm... that would be in­ter­est­ing to look into. do you have sources that say there are few? there are cer­tainly fresh­wa­ter chytrids!
7) whats hap­pen­ing in es­tru­ar­ies?
8) there are a few splash zone lichens i think, why not more?
9) Oomy­cota are not re­lated to fungi, but have some sim­i­lar habits and there are fresh­wa­ter ones.