Bioaccumulation and Biomagnification

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

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

Which organism would have the most bioaccumulation?

• eucalyptus tree

• wombats

• kookaburras

• koalas

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

• 2000

• 2002

• 2004

• 2005

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

Increase in the amount of chemicals within an organism over time

• Biomagnefication

• 10% Rule

• Energy Pyramid

• Bioaccumulation

What is Bioaccumulation?

• Bioaccumulation refers to the accumulation of a toxic chemical in the tissue of a particular organism.
• Bioaccumulation refers to the increased concentration of a toxic chemical the higher an animal is on the food chain.
• Both Orange and Red
• None of the Above

What is Biomagnification?

• Biomagnification refers to the accumulation of a toxic chemical in the tissue of a particular organism.
• Bioaccumulation refers to the accumulation of a toxic chemical in the tissue of a particular organism.
• Biomagnification refers to the increased concentration of a toxic chemical the higher an animal is on the food chain.
• Bioaccumulation refers to the decreased concentration of a toxic chemical the higher an animal is on the food chain.

What, on the Food Chain, is more prone to Biomagnification?

• The Lower Trophic Levels
• The Higher Trophic Levels
• The Carniovoires
• The Omnivores 

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