Question

question 6 1 pts
which of the following are substances that can be biomagnified in an ecosystem? choose all that apply!
mercury
ddt
lead
pcb

Explanation:

Biomagnification affects persistent, fat-soluble, non-biodegradable substances that accumulate in organism tissues as they move up food chains. All the listed substances meet these criteria: mercury is a toxic heavy metal that accumulates in animal tissues; DDT is a persistent organic pesticide that biomagnified in bird populations historically; lead is a non-biodegradable heavy metal that builds up in ecosystems; PCBs are industrial persistent organic compounds that accumulate in food webs.

Answer:

• mercury
• DDT
• lead
• PCB