Two organisms in the same class but different orders -are members of the same species.
-are in the same phylum.
-are in different kingdoms.
-have the same genus name.

Two organisms in the same class but different orders °Are members the same species°

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

the answer to your question is b