Is the relationship between monarch butterflies and the milkweed plant an example of commensalism or patasitism?

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

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This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.