Waste Management and Biomagnification

How does biomagnification put a top predator at a disadvantage?

• Food is much harder to find the farther up the food chain you go.

• Toxins and chemicals accumulate in the bodies of everything that was eaten by the food that you eat.

• Toxins and chemicals bind to the tissue of larger animals better than smaller ones.

• The loss of energy up the food chain is directly proportional to the amount of toxins taken up by the body.

Historically, _____ caused problems for birds because it made their eggs _____.

• 1. PCBs, too thin

• 1. PAHs, too thick

• 1. mercury, deformed

• 1. DDT, too thin

Identify the process shown in this diagram.

• Extinction
• Toxin Accumulation
• Pollution
• Biomagnification

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

What are examples of toxins? (choose all that apply)

• water

• salt

• pesticides

• mercury

• insecticides

Which item should you NOT put in your compost pile?

• food scraps
• autumn leaves
• wood chips
• plastic

A (an) ____________ is a waste disposal facility where wastes are put in the ground and covered each day with a layer of dirt, plastic, or both.

• landfill

• incinerator

• compost heap

• aquifer

Bring your own cloth bag when shopping. Which "R" is this?

• Reduce

• Recycle

• Reuse

• Recycle

• Recover

Which of the following is NOT a way of reducing trash?

• buying products in less packaging

• using eco bag in shopping

• using reusable containers

• buying disposable plates

Use less energy and turn off the lights. Reduce, reuse, recycle, or trash?

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Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4