If a chromosome comes apart because it is not well attached at the center, 1 point then there is most likely a problem with the

centromere
chromatids
chromatin
gene

The most problem is likely with chromatin

Explanation:

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

the answer to your question is tooth decay.