Name:& &Per.:& &Date:& &Assignment&:& &...
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Name: ____________________________________________________ Per.: _____ Date: ___________________ Assignment #: ______ Env Sci Ch. 7 Notes: Aquatic Biomes A. Freshwater a. Freshwater = Waters with ________________________________________________________________________ • Includes ponds, lakes, streams, rivers, and wetlands (lands that are periodically under water) b. Lakes and ponds are divided into zones: _____________________________ zone _____________________________ zone _____________________________ zone • Littoral Zone = NutrientIrich layer _________________________________________________________________ o Contains abundant and diverse aquatic life • Limnetic Zone = __________________________________________ near the surface o Receives _____________________________________________________ and dominated by ______________________________________________ (small aquatic organisms) • Benthic Zone = _______________________________________________________________________________________ o Characterized by decomposers, insect larvae, and clams c. Wetlands = areas of ____________________________________________ that support aquatic plants • Includes __________________________________________________________________________________________ • Adaptations i. Hydrophytes = Organisms, such as cattails, are ___________________________________________ _________________________________________________________________________________________________ ii. Many organisms are _________________________________________________________________________ • Threats i. __________________________________________________________________ threatens the existence of many wetlands
Transcript of Name:& &Per.:& &Date:& &Assignment&:& &...
Name:&____________________________________________________&Per.:&_____&Date:&___________________&Assignment&#:&______&Env$Sci$Ch.$7$Notes:$Aquatic$Biomes$A.&Freshwater&
&a. Freshwater&=&Waters&with&________________________________________________________________________&
• Includes&&ponds,&lakes,&streams,&rivers,&and&wetlands&(lands&that&are&periodically&under&water)&
b. Lakes&and&ponds&are÷d&into&zones:&&_____________________________&zone&&_____________________________&zone&&_____________________________&zone&&&
&&&&&&&&&&& &• Littoral&Zone&=&NutrientIrich&layer&_________________________________________________________________&
o Contains&abundant&and&diverse&aquatic&life&&• Limnetic&Zone&=&__________________________________________&near&the&surface&&
o Receives&_____________________________________________________&and&dominated&by&______________________________________________&(small&aquatic&organisms)&
• Benthic&Zone&=&_______________________________________________________________________________________&o Characterized&by&decomposers,&insect&larvae,&and&clams&
c. Wetlands&=&areas&of&____________________________________________&that&support&aquatic&plants&&
&&&&&&&&&&&&& &• Includes&__________________________________________________________________________________________&• Adaptations&
i. Hydrophytes&=&Organisms,&such&as&cattails,&are&___________________________________________&&&&&&&&&&&&&&_________________________________________________________________________________________________&
ii. Many&organisms&are&_________________________________________________________________________&• Threats&&
i. __________________________________________________________________&threatens&the&existence&of&many&wetlands&
B.&Marine&
&&&&&& &1. Marine®ions&=&Include&____________________________________________________________________________________&
• Cover&about&¾&of&the&Earth’s&surface&&
• Marine&____________________________&supply&much&of&the&world’s&____________________________&
2. &Estuaries&=&areas&where&____________________________________________________________________________________&
____________________________________________________________________________&
• NutrientIrich&and&productive&
• Organisms&such&as&algae,&marsh&grasses,&oysters,&and&crabs&can&be&found&&
• Organisms&are&able&to&_______________________________________________________________________________&
____________________________________________________________________________&
• &Threats&
i. Sewage,&industrial&waste,&and&agricultural&runoff&________________________®ions&&
ii. ____________________________________________________________&by&humans&
&&&&&&&& &3. &Oceans&=&very&large&bodies&of&water&
• _________________________________________________________________________________&that&receive&sunlight&
• ____________________________________&rely&on&dead&organisms&and&falling&nutrients&due&to&
______________________________________________________&
• Threats&
o Pollution&due&to&runoff&and&waste&&
o ________________________________________________________________________&
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