Question

Which of these is an example of bioaccumulation?

a. an increased growth in microorganisms results in oxygen depletion .
b. the mercury contained in fish builds up on animals that eat the fish.
c. there are millions of cholera cases per year due to contaminated water.
d. materials that contain metal are toxic to organisms that live in them.

Answer 1

B.

Step-by-step explanation:

Answer 2

An example of bioaccumulation is b. the mercury contained in fish builds up on animals that eat the fish. This is because bioaccumulation is defined as a steady build up over time of a chemical in a living organism.

In the example, mercury is the chemical that builds up on animals that would eat the contaminated fish.