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- 1. Multiple Choice
How do ecologists classify aquatic ecosystems?
Salinity
Depth
Movement
All of the above
- 2. Multiple Choice
What are wetlands?
areas of land that are flooded at least part of the year
the ocean
lakes
estuaries
- 3. Multiple Choice
What is NOT an important feature of a wetland?
Prevents flooding
Provides habitat for organisms
Prevents wildfires
Filters and purifies water
- 4. Multiple Choice
Salinity refers to
how many plants are in the water
how many organisms live in the water
how much salt in is water
- 5. Multiple Choice
All are freshwater ecosystems except
marshes
lakes
eustary
rivers
- 6. Multiple ChoiceAn area in which fresh water from a river mixes with salt water from the oceanMangrove SwampEstuaryMarshesWetland
- 7. Multiple ChoiceThe bottom region of oceans and bodies of fresh water isBenthosBenthic ZoneLimnetic ZoneNekton
- 8. Multiple ChoiceWhich is NOT example of freshwater ecosystemsCoral ReefLakePondStream
- 9. Multiple Choice
Aquatic life is abundant, diverse, and full of sunlight at which zone?
littoral zone
benthic zone
limnetic zone
- 10. Multiple ChoiceTwo factors that determine where an organism lives in aquatic ecosystem areTemperature and sunlightNeighbors and housing pricesFish and wildlifeDarkness and tree height
- 11. Multiple Choice
What is at the base of the food chain in the ocean?
whales
plankton
turtles
seaweed
- 12. Multiple ChoiceAn area where land is periodically underwater.WetlandForestDesertWoodland
- 13. Multiple ChoiceFree swimming organismsBenthosNektonAmobaCrustacean
- 14. Multiple ChoiceBottom dwelling organisms.PlanktonFishMammalsBenthos
- 15. Multiple ChoiceAn increase in the amount of nutrients in an aquatic ecosystemEutrophicationZootrophicationOverfishingSwamping
- Answer choicesTagsAnswer choicesTags