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Locations
Vocabulary
Causes
Effects
Biogeochemical Cycles
100
Currently the Biggest Dead Zone in the World.
What is The Gulf of Mexico Dead Zone
100
An area of the ocean that is depleted of oxygen, frequently due to pollution.
What is a Dead Zone?
100
A product high in nitrates and/or phosphorous that contributes oceanic dead zones.
What is Fertalizer/pestacides
100

What is the effect on dissolved oxygen when bacteria decompose dead algae?

Decrease DO

100

One source of carbon in the carbon cycle.

Animals breathing out CO2

Fossil fuels burning - release CO2

Volcanic eruptions

Forest fires

200
What types of areas are the dead zones likely to form?
What is Agricultural runoff sites and/or industrial dumping sites
200

What word do we use to describe microscopic photosynthetic organisms?

Phytoplankton

200

This industry/practice often can be traced to oceanic dead zones.

What is Agricultural practices.

200

What effect do Dead Zones have on living things in the area?

Causes things to move, or die.

200

One sink in the carbon cycle.

Plants - take in CO2

300
This body of water in eastern Europe used to be the largest dead zone in the world.
What is Black Sea
300
What process requires oxygen to convert sugar into useable energy?

Cellular respiration

300
A rapid increase in density of certain types of phytoplankton.
What is algal blooms.
300

What effect do Dead Zones have on people?

Affect the economy - kills shrimp and fisheries

Decrease crop yields (soil and nutrient loss)

300

What does the 1st law of thermodynamics state?

Matter cannot be created or destroyed.

400
Which continent contributes the most to Pollution causing Oceanic Dead zones
What is North America
400
Low oxygen.
What is Hypoxic?
400

List factors that contribute to the Dead Zone formation (Include 3 reasons)

Increased runoff in the spring, increased nutrient runoff in the spring, warmer temperatures, more sunlight

400

What is the effect of decomposition on pH?

Lowers pH (makes it more acidic)

400

Draw the nitrogen cycle, including 4 parts of it.

Models will vary.