Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..