Aquatic Pollution

Which of the following would be an example of a point source pollution?

• BP Oil Spill

• Pesticides carried from an agricultural field from runoff

• Urban run off of road salt and motor oil

• Emissions from a smoke stack

Which of the following is not a threat to wetlands?

• Pollutants

• Development

• Overfishing

• Change is seasonal temperatures

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is meant by range of tolerance?

• Organisms can only tolerate a certain range in abiotic conditions in their habitat.

• Organisms can only tolerate a certain change in migration patterns due to weather conditions.

• Teachers can only tolerate students for so long so that is why schools calendars have summer break

Tags

NGSS.MS-LS1-5

Which of the following BEST describes biomagnification?

• The increase in the concentration of a chemical substance in higher trophic levels.

• The strength of the magnification on a microscope.

• The size of the organism is directly proportional to the position in the trophic level.

• Tertiary consumers that ingest more than primary consumers.

Which of the following describes substances that do not easily break down in the environment due to their carbon-based structure?

• Persistent organic pollutants

• Phytoplankton

• Primary pollutants

• Nitrogen oxides

Which of the following will occur as the temperature of water increases due to thermal pollution?

• A decrease in dissolved oxygen.

• A decrease in turbidity

• An accelerated rate of eutrophication

• An increase in biological oxygen demand

Tags

NGSS.MS-LS2-5

NGSS.MS-LS1-5

All of the following can create hypoxic conditions in water EXCEPT

• increased macroinvertebrates

• increased temperatures

• increased fertilizer runoff

• increased biological oxygen demand

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Endocrine disruptors directly affect which of the following in an organism?

• Hormones

• Iron Content

• White Blood Cells

• Oxygen Levels

Tags

NGSS.HS-LS1-3

Which of the following LD₅₀ amounts would be the least toxic substance?

• 15 mg/kg

• 7.05 kg/mg

• 400 kg/mg

• 700 kg/mg

Tags

NGSS.MS-PS1-2

What is the LD₅₀ amount for the following graph?

• 10 mg/kg

• 50 mg/kg

• 100 mg/kg

• 1000 mg/kg