Choose one development in field of biology and discuss its contributions ro human​

because the light is a great source of energy for the plants to survive. (i hope this )

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.