Biomagnification / Bioaccumulation Quiz

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

What are examples of toxins? (choose all that apply)

• water

• salt

• PCB's

• mercury

• microplastics

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Increase in the amount of chemicals within an organism over time

• Biomagnefication

• 10% Rule

• Energy Pyramid

• Bioaccumulation

Which organism would be most affected by biomagnification of an insecticide toxin?

• eucalyptus tree

• wombats

• kookaburras

• koalas

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In what year were the most toxins present in smallmouth bass?

• 2000

• 2002

• 2004

• 2005

Tags

NGSS.MS-LS1-5

Pesticides and herbicides eventually show up in higher-level consumers (i.e. as you go up the food chain) due to

• biomagnification

• climate change

• habitat destruction

• bioaccumulation

"Only humans make waste nature cannot digest." What does this most likely mean?

• Nature cannot recycle or get rid of much of the trash humans produce.

• Nature is great at recycling or reusing most of the trash humans produce.

• Humans are poor at recycling.

• Humans are poor at disposing of trash.

MATCH the symptom or fact to the correct bioaccumulated toxin

• vertigo & hot/cold reversal

• PCB's

• chronic inflammation

• DDT

• numb mouth, memory problems

• Ciguatera

• Cancer-causing

• Mercury

• seizures & reproductive issues

• Microplastics

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

According to the diagram, how does mercury end up in our food supply?

Write the steps in order.

• Mercury in the air dissolves in the ocean

• fish absorb mercury by eating plankton

• fossil fuels contaminate the air with mercury

• Humans eat fish

• Pregnant people might pass on to fetus

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Why is a lipid-soluble toxin very dangerous for mammals, such as humans? Check TWO.

• Humans are at the top of many food chains

• Lipid soluble toxins are harder to excrete

• Lipid soluble toxins are flushed out through sweat

• Lipid-soluble toxins are stored in our muscles