Hey there!
It's called biotic potential.
This is because for natural selection to occur, the populations need to have variations.
I hope that helps! :)
Both have been impacted by oil drilling and mining.
Answer:
I think it is the first one
Bacteria are classified into 5 groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes). They can exist as single cells, in pairs, chains or clusters.
