Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
