An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
Limiting factors are those factors whose amount determines the growth of the species. Serengity plain is the plain in Africa. This plain experiences drought which is seasonal for seven months continuously and rainfall is extremely less and is about 4cm.
Therefore, abiotic factors like rain, temperature, weather, and soil composition etc. are the limiting factors that affect the drought in Serengity plain. Due to drought for long period, the grasses have been withered and the vegetation has been hampered.
Light dependent reaction take place on the thylakoid membranes.
