Which of the following is NOT an example of the negative effects of bioaccumulation of toxins in the environment?

W) The thinning of bird eggshells due to DDT

X) Inedibility of oysters due to their filter feeding on naturally occurring red tide algae

Y) Birth defects in babies exposed to Accutane in utero

Z) Inedibility of fish due to mercury content
Y) BIRTH DEFECTS IN BABIES EXPOSED TO ACCUTANE IN UTERO