The answer to #2 Is a..biota is the life of "a" plant, or animal (etc.) of the particular region/habitat, etc.
Chlamydia is a disease transmitted by sex with someone infected. Its caused by bacteria and often is asymptomatic.
Treatment is with antibiotics, and it's essential to know if one is infected because in women can cause infertility, and in males can cause urethra complications like inflammation and obstruction.
It means that they are not like pre-set blueprints. They react differently according to changes in the environment.<span />
I believe it would be 18 feet..