Biomagnification

Which organism in the food web shown to the right would

contain the lowest concentration of chemical pollutants?

• producers

• primary consumers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-3

Consider the following food chain:

Algae > Mayfly > Minnow > Trout

In a polluted ecosystem, which organism would likely have the HIGHEST level of toxic chemicals in its body?

• Algae

• Mayfly

• Minnow

• Trout

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

When you consume an organism, you only receive 10% of the energy, but how much of the toxins do you receive?

• All of the toxins

• 10% toxins

• 1% toxins

• None of the toxins

Tags

NGSS.MS-LS2-3

A small amount (5 PPM) of the toxin DDT was introduced into this ecosystem. What would the approximate concentration of DDT in the Kit Fox?

• 5ppm

• 300ppm

• 1500ppm

• .0033ppm

Tags

NGSS.MS-LS2-1