Lichens, represented by this symbiotic relationship, are responsible for or the establishment of a new site for plant growth.

d) center of the mid-ocean ridge

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'