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Wetlands Fill in the Blank
Choose the appropriate word listed at the bottom of the page to complete each of the
following sentences
1. Wetlands are among the most productive __________ in the world, comparable to
rain forests and coral reefs.
2. An immense variety of species of microbes, plants, insects, amphibians, reptiles,
birds, fish and mammals can be part of a _________ _________.
3. ____________ ___ _________ features such as climate, landscape shape
(topology), geology, and the movement and abundance of water help to determine
the plants and animals that inhabit each wetland.
4. The complex, dynamic relationships among the organisms inhabiting the wetland
environment are referred to as _____ ______.
5. The combination of shallow water, high levels of nutrients and productivity is
ideal for the development of _________ that form the base of the food web and
feed many species of fish, amphibians, shellfish and insects.
6. Wetlands can be thought of as "___________ ____________." They provide
great volumes of food that attract many animal species. These animals use
wetlands for part of or all of their life-cycle.
7. Dead plant leaves and stems break down in the water to form small particles of
organic material called "_________." This enriched material feeds many small
aquatic insects, shellfish, and small fish that are food for larger predatory fish,
reptiles, amphibians, birds and mammals.
8. Many species of birds and mammals rely on wetlands for food, water and shelter,
especially during _________ ___ __________.
9. Wetlands' microbes, plants, and wildlife are part of _______ _______ for water,
nitrogen, and sulfur.
10. Wetlands store carbon within their plant communities and soil instead of releasing
it to the atmosphere as carbon dioxide. Thus wetlands help to moderate _______
________ ________.
The Words
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
Detritus
Global cycles
Food webs
Ecosystems
Global climate conditions
Migration and breeding
Wetland ecosystem
Physical and chemical
Biological supermarkets
Organisms
The Answers
1. D
2. G
3. H
4. C
5. J
6. I
7. A
8. F
9. B
10. E