|
Home > Preview
The flashcards below were created by user
klokot
on FreezingBlue Flashcards.
-
WHAT IS A WETLAND?
usually a low lying area of soft waterlogged ground and standing water
-
WHAT IS A MARSH?
a wetland dominated by herbacious plants
-
WHAT IS A SWAMP?
a low land region saturated with water
-
HOW DO YOU DETERMINE IF ITS A SWAMP OR NOT?
by the type of vegatation that is found there
-
WHAT IS A PERENNIAL STREAM?
it means it flows all year round
-
WHAT IS AN INTERMITTENT STREAM?
it means it flows during part of the year
-
WHAT IS A EPHEMERAL STREAM?
it means it flows even less than a intermittent stream, usually after a snow melt etc.
-
WHAT IS A MACROPHYTE?
a macroscopic plant (visible to the naked eye)
-
WHAT DOES EMERGENT MEAN?
it means it grows above and out of the water
-
WHAT DOES SUBMERGENT MEAN?
it means below the surface of the water
-
WHAT DOES THE TERM FLOATING LEAF MEAN?
it means on top of wetland
-
WHAT IS LENTIC?
still water environment
-
WHAT IS LOTIC?
moving water environment
-
WHAT DOES "DO" STAND FOR AND MEAN?
dissolved oxygen, and its the amount of oxygen dissolved in a body of water
-
WHAT DOES THE WORD AEROBIC MEAN?
it has oxygen
-
WHAT DOES THE WORD ANAEROBIC MEAN?
deprived oxygen also tends to smell bad
-
WHAT DOES THE TERM "BOD" STAND FOR AND MEAN?
biochemical oxygen demand/ demand organisms put on environment by breaking down organic matter
-
WHAT IS SUBSTRATE?
its the rocky cobbely bottom of the stream floor
-
WHAT IS DETRITUS?
organic debris formed from the decay of organisms
-
WHAT IS SURFACE TENSION?
a property of liquids caused by unbalanced molecular cohesive forces at surface, behaves like a thin elastic film
-
WHAT IS A HEXAPOD?
a 6 legged arthropod which can tolerate low levels of DO
-
WHAT IS A DECAPOD?
- any crustacean mostly in marine order having 10 legs
- Ex- crabs, lobsters etc.
-
WHAT IS A ISOPOD?
- any crustacean characterized by a flattened body bearing 7 pairs of legs
- Ex- sow bugs
-
WHAT DOES BENTHIC MEAN?
its unconsolidated organic material
-
WHAT IS PHYTOPLANKTON?
- free floating aquatic plants
- Ex- algae
-
WHAT IS ZOOPLANKTON?
- plankton that consists of animals
- Ex- coral, rotifers, jellyfish etc.
|
|
Get the free mobile app
Take the Quiz
Learn more
Learn more