Freshwater and Marine Biomes
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Freshwater biome’s salt concentration
low salt concentration
Organisms in freshwater biomes are used to
low salinity and cannot survive in high salinity
Examples of freshwater biomes
ponds and lakes streams and rivers wetlands
Example of an ecotone
estuary
Characteristics of lakes and ponds
range in size many ponds are seasonal
What are the different zones of freshwater biomes
littoral zone limnetic zone benthic zone
Eutrophication
enrichment of water by nutrient salts
What are streams and rivers
bodies of flowing water
Characteristics of streams and rivers change ……
between its beginning and its end
Are different organisms found at different parts of rivers and streams
yes
What are wetlands
areas of standing water
Wetlands have an abundance of…..
aquatic plants high species diversity
Examples of wetlands
marshes, swamps, and bogs
What is the largest of all ecosystems
marine biome
What are the different marine biome zones
intertidal pelagic abyssal benthic
Marine biomes have ……. diversity
large
What are the main producers of marine life
plankton
The climate of marine biomes
the climate ranges but is generally 40 degrees F
Aquatic adaptations
streamlined body less fur dense waterproof feathers webbed feet, long light legs, long necks flippers/flattened tails eyes positioned on top of the head breathing apparatus on top of body transparent eyelids
Freshwater fauna
American Alligator Hippopotamus
American Alligator
lives in freshwater marshes, rivers, and swamps excellent aquatic hunters
Hippopotamus
found in lakes and rivers in Africa feed mostly on plants one of few mammals that give birth underwater
Where do freshwater flora inhabit
shallow lakes ponds flooded areas inflowing springs streams or rivers
What do freshwater vegetation provide
oxygen to these biomes