A natural system linked by living (plants, animals) and nonliving (soil, air, water) things?

• Ecosystem
• Riverbasin
• Watershed
• Estuary

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

When salt and fresh water mix, what is the new water substance called?

• Brackish Acid
• Fresh Water
• Salt Water
• Brackish Water

Estuaries are known as the __________ of the sea.

• nurseries
• classroom
• grocery store
• garden

estuaries are a transition zone between 

• warm and cool water
• shallow and deep water
• turbid and clear water
• salt water and freshwater

estuaries have 

• low productivity and low biomass
• high productivity and low biomass
• high productivity and high biomass 
• low productivity and high biomass

estuaries are important because

• they are the breeding ground for whales
• have deep water with plenty of producers
• they trap nutrients from the ocean 
• 90% of marine animals spend some part of their life there

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

which is not a characteristic of the estuary 

• high nutrient content
• salinity fluctuation 
• shallow water with low predation 
• stable bottom with low sediment

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

which is not an estuary 

• a sea grass community 
• a sandy beach
• mud flat
• salt marsh

organisms that break down plant tissues and release nutrients for consumers

• shrimp
• plankton
• algae
• decomposers

Tags

NGSS.MS-LS2-3

plants that adapt to living in salty environments

• hydrophytes
• epiphytes
• halophytes
• zooplankton

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4