Commensalism :)
in case when bacteria and human, both are benifited.
Adaptation is the tendency of some members of a population to be better able to survive and reproduce and pass on their characteristics.
Answer:
They are called psycrophiles or cryophiles.
Answer:
lichen (liquen)
Explanation:
The symbiotic relationship between algae and fungi is lichen.
DNA methylation is a process by which methyl groups are added to the DNA molecule. Methylation can change the activity of a DNA segment without changing the sequence. When located in a gene promoter, DNA methylation typically acts to repress gene transcription.