Unit 2 Freshwater Review

The land area that supplies water to a river system is called a

• water table
• trailer
• house
• watershed

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NGSS.MS-ESS2-4

What is the water that fills the cracks and spaces in underground soil and rock layers called?

• Groundwater
• Water Table
• Precipitation
• Snow

Tags

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What are organisms living on, near, or in the sediment of lakes called?

• Nektonic
• Planktonic
• Limnetic
•  Benthic

This lake zone suffers from a lack of light and has limited photosynthesis:

• Littoral
• Benthic
• Profundal
• Limnetic

Tags

NGSS.MS-LS1-6

Eutrophic lakes are characterized by...

• low nutrients, low oxygen
• low nutrients, high oxygen
• high nutrients, low oxygen
• high nutrients, high oxygen

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Where would you find cattails and reeds?

• Limnetic zone
• Littoral zone
• Profundal zone
• Benthic zone

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NGSS.MS-LS2-1

Which zone contains the most life in a lake or pond?

• Littoral zone around the shoreline
• Profundal zone in the deep and dark
• Benthic zone in the sediment
• Limnetic zone in the open lake as far as light reaches

Tags

NGSS.MS-LS2-4

Which of the following is NOT true?

• In a straight stretch of river, the main force of current is usually in the middle.
• Vegetation on the banks helps reduce erosion
• A riffle is a level area on both sides of a stream that holds excess water during a flood
• Deeper, slower-moving areas of water are called pools

Plants living in lotic water have/are:

• Long, thin, flexible stems and strong roots
• Tiny, free floating species of algae
• Taller for more support allowing them to rise above to reach the sun
• Waxy coatings and porous stems to absorb minerals right from the water

Tags

NGSS.MS-LS1-4

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An oligotrophic lake would:

• Be cold and oxygen-rich
• Contain summer stratification
• Contain algal blooms
• Be shallow with large biomass

Tags

NGSS.MS-LS2-1

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