0 of 5 Questions completed
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 5 Questions answered correctly
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
What is the process by which toxic materials can accumulate in organisms in a food chain?
Which of the following is an example of a toxic material that can accumulate in food chains?
How does the accumulation of pesticides affect animals at the top of the food chain?
How can the accumulation of DDT in food webs disrupt an ecosystem?
Why is DDT is now banned in many countries?