
Gulf of Mexico Dead Zone Case Study
Presentation
•
Science
•
10th - 12th Grade
•
Easy
Tiffany Randolph
Used 3+ times
FREE Resource
22 Slides • 26 Questions
1
2
3
4
5
Poll
What is your favorite type of shrimp?
Fried
Scampi
Popcorn
Shrimp cocktail
6
Article Link on the next slide
Consider the questions to the left while reading.
7
8
Open Ended
Describe the set-up that an Illinois shrimp farmer uses to grow shrimp.
9
Open Ended
How much per pound are these farm raised shrimp? Use the internet to find how this cost compares to Gulf shrimp costs.
10
Poll
Would you rather eat ...
farm-raised shrimp
gulf shrimp
11
12
13
Open Ended
What is the dead zone and what are the economic impacts it is having on the Gulf?
14
Use the information on this slide to answer the next two questions.
15
Draw
Draw your food chain
16
Open Ended
How will decreased amounts of shrimp affect other species?
17
Multiple Choice
Based on the Food Web, which animal would be an omnivore?
(HINT: an omnivore eats Producers and Consumers)
The shark
The seagull
The limpet
The fish
18
Multiple Choice
Based on the Food Web, which of these statements is true?
The shark is a producer
The octopus is a primary consumer
The limpet is a secondary consumer
The zooplankton is a primary consumer
19
Multiple Choice
On average, how much energy is passed from one level of a food chain to another?
10%
90%
100%
50%
20
Multiple Choice
21
Poll
Based on information from the locals, 5 hypotheses have been proposed to explain the dead zone. Which one do YOU think is correct?
Overfishing has depleted shrimp populations.
Water pollution/toxins have killed off shrimp populations
Rising water temperatures caused by climate change have made the habitat inhospitable to shrimp.
Hurricane Katrina (2005) destroyed all the shrimp and their habitat.
BP Oil Spill (2010)
22
Fill in the Blanks
Exploring each hypothesis
Average shrimp catch from 1960 to the mid '90s has
Type answer...
23
Multiple Select
Choose all that apply.
A
B
C
D
E
24
Open Ended
25
Multiple Choice
A
B
C
D
26
27
Poll
What is your favorite (water) vacation spot?
28
29
Multiple Choice
A
B
C
D
E
30
Open Ended
Research the definition of "eutrophication" and type it below.
31
Multiple Choice
A
B
C
D
32
Multiple Select
Which source(s) of nitrates has increased?
fertilizer
legumes and pasture
animal manure
33
Multiple Choice
Which source(s) of nitrates has remained relatively constant?
fertilizer
legumes and pasture
animal manure
34
35
36
Poll
A
B
C
D
37
38
39
Open Ended
40
Open Ended
41

Algae Blooms | Flickrnew icn messageflickr-free-ic3d pan white
You can open this webpage in a new tab.
42
43
Open Ended
44
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47

Voluntary plan to reduce fertilizers not enough to shrink Gulf's 'Dead Zone', new study says | Environment | nola.com
You can open this webpage in a new tab.
48

Mississippi River/Gulf of Mexico Hypoxia Task Force | US EPALockPrimary navigation
You can open this webpage in a new tab.
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