Biomagnification and Bioaccumulation

In which organism would biomagnification be the most concentrated? (Remember the lab: Rabbits eat the grass, the snake eats the rabbit, the hawk eats the snake--the hawk is the apex predator)

• grass

• rabbit

• snake

• hawk

Tags

NGSS.MS-LS2-3

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

Tags

NGSS.MS-LS2-3

Toxin concentrations _____________ as you go up the food chain.

• do not change

• increase

• decrease

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 is biomagnification?

• The process of reducing the concentration of toxins in the food chain

• The process of increasing the concentration of toxins as you move up the food chain

• The biological breakdown of organic materials

• The magnification of biological effects due to waste disposal

What is the process of bioaccumulation?

• The decrease of contaminants in an organism over time

• The increase of contaminants in an organism over time

• The natural decomposition of organic waste

• The conversion of waste into compost

Tags

NGSS.HS-LS4-5

Which organism would have the most bioaccumulation?

• eucalyptus tree

• wombats

• kookaburras

• koalas

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

• 2000

• 2002

• 2004

• 2005

Tags

NGSS.MS-LS1-5

Which consumer is the most affected by toxins like mercury?

• Primary Consumer

• Secondary Consumer

• Apex Predator

• Producers

Tags

NGSS.MS-LS2-4

Increase in amount of a chemical in organisms as you move up a food chain

• Biomagnefication

• 10% Rule

• Bioaccumulation

• Metabolism