Which often results from great variations in a habitat’s abiotic conditions?
lower temperatures
fewer organisms
more niches
increased moisture

C: more niches

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C. More niches

Explanation:

Niche was explained as a specific condition of environment that organism experienced as inhabited. More number of niches causes the detrimental of organism livelihood, each organism only sustainable the particular and specific niche. Fewer organism not lead to detriment the species, may be it lead to reduce the competition among the organisms. Increased moisture is favourable for mostly all type of organisms. Lower temperature not caused more harm to organism, extreme low temperature will lead to affect the livelihood of organisms.

since there isn't any suggested answers i will give you the reason and hopefully you can figure it

south africa, or rather all of africa, has not been in the location in which it is nowadays throughout the geological past. after the super-continent pangaea started to break apart, gondwanaland, in which was africa, moved further south, and parts of it came to be very close to the south pole. because the climate in this part of the world is very cold due to the very dispersed sun rays in there, what is now south africa, started to freeze, and the conditions were right for the formation of glaciers. the glaciers existed up until the period when gondwanaland started to break apart and what is now africa started to move towards north, sp it warmed up and the glaciers melted.