Energy Retake - Target 1d Biomagnification

Which organism in the food web would

contain the highest concentration of chemical pollutants?

• producers

• primary consumers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-4

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

The accumulation of heavy metals or other pollutants causes

a decline in the population of predatory birds because –

• heavy metals make it difficult for the birds to hunt

• pesticides diminish the amount of available food

• the pollutants interfere with bird reproduction

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-5

Which organism shown in the food chain above would contain the greatest concentration of chemical pollutants?

• phytoplankton

• krill

• tuna

• shark

Tags

NGSS.MS-LS1-5

NGSS.MS-ESS3-4

Concentration of toxins in an organism as a result of ingesting other plants/animals in which the toxins are widely distributed

• biomagnification
• point-source pollution
• artificial eutrofication
• consumable pollution

Tags

NGSS.MS-LS2-4

Identify the process shown in this diagram.

• Extinction
• Toxin Accumulation
• Pollution
• Biomagnification

Tags

NGSS.MS-LS2-3

What do the small dots in the picture represent?

• DDT 
• Food
• Energy
• Biomass

Which organism in this diagram has the highest DDT concentration?

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

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

The process when concentrations of a harmful substance increases in organisms at higher trophic levels in a food chain or food web.

• Biomagnification
• Predation
• Extinction
• Accumulation