What is the function of the specialized cells in the outer walls of plant roots

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any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

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: