Biotic factors of an ecosystem could include which of the following?

all types of plants
all animal populations
the temperature range
the quantity of water available

Answer;

all types of plants  

all animal populations

Explanation;Biotic factors are the living components of an ecosystem and include organisms such as producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores.Abiotic factors on the other hand are the non-living parts of an environment. They include factors such as sunlight, temperature, wind, water, soil and naturally occurring events such as storms, fires and volcanic eruptions.

Generally travels west to east but often shifts to north and south