Biomagnification

The increase in the amount of persistent chemicals within an organism over time

• Biomagnefication

• 10% Rule

• Energy Pyramid

• Bioaccumulation

Which organism in the food web would contain the highest concentration of chemical pollutants?

• producers

• primary consumers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-3

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-LS2-4

NGSS.MS-LS2-2

What are the potential consequences of bioaccumulation in aquatic food chains?

• Decreased pollution and environmental damage

• Improved water quality and aquatic life

• Harmful effects on the ecosystem and human health

• Increased biodiversity and ecosystem stability

Tags

NGSS.MS-LS2-5

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 what year were the most toxins present in smallmouth bass?

• 2000

• 2002

• 2004

• 2005

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-5

Toxin concentrations _____________ as you go up the food chain.

• do not change

• increase

• decrease

Identify the process shown in this diagram.

• Extinction
• Toxin Accumulation
• Pollution
• Biomagnification

Tags

NGSS.MS-LS2-3

Which organism in this diagram has the highest DDT concentration?

• Zooplanktons
• small fish
• large fish
• Fish-eating birds