Select the correct answer.
Cerise is a schoolteacher. She is teaching her students that chemicals dumped in the ocean have adverse consequences on humans. She explains
how the chemicals travel through the trophic levels and magnify at each level ultimately reaching humans at dangerously
high levels. Which
phenomenon is Cerise teaching?
O A.
food chain
OB.
food web
O C. ecological pyramid
○ D.
bioaccumulation
O E. isolated ecological system