Answer:
some sort of water system, (a river/groundwater/purification plant ect.)
Explanation:
The correct answer to this question would be "B", co-dominance.
Bacteria - eubacteria kingdom - binary fission
blackworms - Oligochaeta - fragmentation
Hydras - hydrozoa - budding
copperheads - Reptilia -<span> parthenogenesiss
Fungi - Hypha - sporulation
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btw blackworms, hydras, copperheads. Are all in the Animalia kingdom, the thing in the middle is the class.