EDITION) EXAM 2025 QUESTIONS AND
ANSWERS
The role plants play in a healthy aquatic ecosystem - ANS producing oxygen for other
organism in the lake.
The role plants play in a healthy aquatic ecosystem - ANS preventing shoreline erosion
The role plants play in a healthy aquatic ecosystem - ANS lessening access nutrients during
the growing season
The role plants play in a healthy aquatic ecosystem - ANS stabilizing the lake bottom
The role plants play in a healthy aquatic ecosystem - ANS providing food and habitat for fish,
waterfowl, and other aquatic animals
ways the excessive plant growth can adversely affect the ecology and uses of a body of water -
ANS harm the ecology of the aquatic ecosystem
ways the excessive plant growth can adversely affect the ecology and uses of a body of water -
ANS curtail or prevent recreational water uses (swimming, boating, and fishing.)
ways the excessive plant growth can adversely affect the ecology and uses of a body of water -
ANS impart tastes or odors to the drinking water supply
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, ways the excessive plant growth can adversely affect the ecology and uses of a body of water -
ANS hamper water treatment operations
ways the excessive plant growth can adversely affect the ecology and uses of a body of water -
ANS adversely affect aesthetics, resort trade, and water front property values
ways the excessive plant growth can adversely affect the ecology and uses of a body of water -
ANS produce toxins that harm animals that drink the water.
emergent aquatic plants - ANS rooted in relatively shallow water so that most of their
growth extends above the water line.
they spread by an underground root system and new emergent plants can occur anywhere in
the network.
can out-compete beneficial native vegetation in wetlands and along shorelines.
submergent aquatic plants - ANS grow primarily under the water surface
submergent aquatic plants: pondweed - ANS has extensive root systems and runners so that
new growth can develop vegetatively- meaning new growth sprouts up from roots and runners
- as well as from seed.
not normally a nuisance unless it is curlyleaf or sago.
submergent aquatic plants: whirled leaves - ANS if uprooted they can break free and drift in
the wind.
it can adversely affect fish and waterfowl habitat and severely restrict boating and swimming
due to its thick foliage and rapid growth.
floating-leaves aquatic plants - ANS occur on the water surface
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