Treatment of hypothyroidism with levothyroxine is effective, but starting doses vary. There are two strategies for initiating levothyroxine in healthy adults younger than 65 years: low-dose (50 mcg) and full-dose (1.6 to 1.7 mcg per kg).
The only good example of this is chalk, which is made from the compacted shells of tiny marine organisms called diatoms. Other than that, animal and plant remains do not tend â¦to form rocks, although the hard parts may form fossils.
Land plants evolved from green algae Non-vascular seedless plants Bryophytes â¢rhizoids â¢alternation of generations â¢sporophyte dependent on gametophtye â¢both generations are multi-cellular â¢reproduction still relies on water â¢pores canât close.and plants evolved from green algae Non-vascular seedless plants Bryophytes â¢rhizoids â¢alternation of generations â¢sporophyte dependent on gametophtye â¢both generations are multi-cellular â¢reproduction still relies on water â¢pores canât close.