Toxins

If a toxin was introduced to the water of an aquatic ecosystem. Which organism would have the highest accumulation of the toxin in their tissues?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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

• Biomagnefication

• 10% Rule

• Energy Pyramid

• Bioaccumulation

The phenomenon by which contaninants increase in concentrate at higher trophic levels within an ecosystem is known as...

• Biotoxicity

• Biomagnification

• Eutrophication

• Predation

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-LS2-3

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-LS2-3

Identify the process shown in this diagram.

• Extinction

• Toxin Accumulation

• Pollution

• Biomagnification

Which forever chemical has been detected in the lakes and rivers of all 50 states and in 95% of human population in the U.S.?

• DDT

• microplastics

• Mercury

• PFAS

Tags

NGSS.MS-PS1-3

Which unit of measurement stands for parts per million, used to measure extremely small amounts of chemicals in the environment.

• mg

• ppm

• kg

• L