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Ecology
Section 4
22
Biology
Undergraduate 2
02/11/2014

Additional Biology Flashcards

 


 

Cards

Term

Aquatic Ecosystems

 

Biome concept does not apply as in ________ systems.

Definition
Terrestrial
Term

Aquatic Ecosystems

 

True/False

 

Vegetation structure does NOT exist

Definition
TRUE
Term

Aquatic Ecosystems

 

Primary producers are single celled________

Definition
Photosynthetic organisms
Term

Aquatic Ecosystems

 

Aquatic systems are classified  on _______ environment.

  • water depth, movement and salinity
Definition

Physical

 

streams/rivers

lakes

estuaries

oceans

Term
Streams/Rivers
Definition
produced by precipatation flowing to oceans
Term

riffles

 

Definition
rapid water movement over rocky substrate
Term
Pools
Definition
zones of slowly moving water
Term
Riparian zone
Definition
aquatic-terrestrial transistions
Term

LAKES

 

Definition

body of water within a depression

 

 

examples

glacation

geologic activity

alluvial deopsits

Term

Lakes

 

Littoral Zone

Definition
shallow zone near shore; macrophytes
Term

LAKES

 

Limnetic Zone

Definition
Deep zone away from shore; phytoplankton
Term

Lakes

 

Benthic Zone

 

 

Definition
sediments on the bottom; benthic organisms
Term

Oceans

 

Definition
Classification based on physical environment;example: temp,depth,oxygen and light
Term

Oceans

 

Inter-tidal zone

Definition
between highest and lowest tide
Term

Oceans

 

Neritic zone

 

Definition
out to edge of continental shelf (200m in depth)
Term

Oceans

 

Oceanic zone (2 zones)

Definition
Deep, open ocean
Term

Oceans

 

Oceanic zone

 

Photic zone

Definition
sufficient light for photosynthesis
Term

Oceans

 

Oceanic zone

 

Aphotic Zone

Definition
insufficient light for photpsynthesis
Term

Oceans

 

Benthic Zone

Definition
sea floor beneath oceanic zone
Term
Esturaies
Definition
  • River mouth-sea transition
  • outflow partially enclosed by barrier island
  • mixture of fresh and saltwater, ex: brackish water
  • High nutrient content and productivity
Term

Oceanic Circulation

 

Gyres

 

Definition
  • vast circulation systems produced by wind in the open ocean
      • transport nutrients,oxygen,heat across globe
      • transport heat energy between middle and high lattitudes

 

Term
Thermohaline Circulation
Definition
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