Which adaption is likely to be common among prey species

it is important because they need to survive. as Darwin theory puts it , its not the strongest that survive but the one who is more adaptable to change.

for example. jellyfish have stingers which it uses to slow down its prey

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:

answer; /// i believe that the correct answer is ( monophasic ); ethinyl estradiol- ethynodiol diacetate is a monophasic oral contraceptive agent; ///