Biology, 15.04.2020 05:21, nikkiebartels

A variety of microorganisms live as symbionts in the human digestive tract. What determines whether their relationship with the human is parasitic or mutualistic?
a their size compared to human cells
b their reproductive rate compared to the replication rate of human cells
c. whether or not they gain energy from food that the human eats
d whether their actions harm or benefit the human host

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A variety of microorganisms live as symbionts in the human digestive tract. What determines whether...