

Introduction to Salt Marshes
Presentation
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Jared Cunio
FREE Resource
18 Slides • 10 Questions
1
2
3
4
5
6
Fill in the Blanks
The base of the trophic pyramid represents
7
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9
10
Multiple Choice
As you move up the trophic pyramid, what happens to the percentage of energy available at each level?
It increases
It stays the same
It decreases
It fluctuates randomly
11
Multiple Select
Which of the following statements about primary productivity and energy transfer in ecosystems are correct?
Producers convert solar energy into chemical energy.
Primary consumers use 100% of the energy from producers.
Each trophic level can only use 10% of the energy available to the level below.
The Sun is the ultimate source of energy in ecosystems.
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13
14
15
Fill in the Blanks
Salt marshes are dominated by
16
Multiple Choice
Which of the following best describes the soil found in salt marshes?
Dry sand with little organic material
Deep mud mixed with peat
Rocky soil with high mineral content
Clay with low water retention
17
18
Multiple Choice
Based on the map and the location information, where are salt marshes most commonly found?
Only near the equator
On every coast at middle to high latitudes
Only in tropical regions
On inland lakes
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Use the information on the websites below to fill in the "General Description", "Important Biotic Factors", and "Important Abiotic Factors" sections of your sheet.
https://www.flseagrant.org/celebrating-world-wetlands-day-all-about-floridas-salt-marshes/
https://floridadep.gov/rcp/saltmarshes
21
Use the information on the websites below to fill in the organisms on the "Food Pyramid" section of your sheet.
https://www.dnr.sc.gov/marine/pub/seascience/dynamic.html
https://soils.ifas.ufl.edu/florida-wetlands-extension-program/about-wetlands/types-of-wetlands/tidal-salt-marshes/
(HINT: Scroll to the section titled "Salt Marsh Wildlife" and read from there.)
22
You can probably already fill in the information about at least one adaptation, but the website below may help you complete this part of your sheet.
https://www.floridastateparks.org/learn/salt-marsh
23
You may have been having trouble finding examples of symbiosis in the salt marsh ecosystem. The two sites below will give you some really interesting examples of both mutualism and parasitism.
https://www.nycgovparks.org/greening/natural-resources-group/bronx-river-wetlands/estuary-section/reach-1/saltwater-marshes
https://researchblog.duke.edu/2017/06/24/marine-parasites-little-guys-that-make-a-big-difference/
Remember that in your descriptions of symbiotic relationships, you should name the type of symbiosis, name each organism involved, and specify how each organism is affected in the relationship.
24
Open Ended
Based on the second article, how can a parasite actually be beneficial to an ecosystem as a whole?
25
You should now be able to fill in the "Real-World Examples" and the "Unique or Interesting Facts" if you haven't already. If not, check out the links below.
https://oceanservice.noaa.gov/facts/saltmarsh.html
https://ocean.org/blog/the-importance-of-salt-marshes/
26
Multiple Choice
What percentage of energy is transferred from one trophic level to the next?
10%
50%
100%
1%
27
Multiple Select
Which of the following are functions of salt marshes?
Buffering wave action
Trapping sediments
Increasing flooding
Filtering runoff
28
Multiple Select
Why is understanding energy movement, such as the '10% Rule,' important for studying ecosystems like salt marshes?
It helps explain how nutrients cycle in the ecosystem.
It shows how much energy is lost at each trophic level.
It reveals why some organisms are more abundant than others.
It helps us understand the impact of species loss on ecosystems.
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