Freshwater and Marine Biomes Flashcards
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
Some freshwater vegetation has special structures for …….. and other adaptation for ……….
fast-moving water; still water and estuaries
Examples of marine fauna
sea otters
dolphins, whales, and porpoises
Sea Otters
streamlined body
thick fur
use tools
found along shoreline
Dolphins, whales, and porpoises
blowhole
mammals
travel in pods
What are the two basic types of marine flora
rooted
nonrooted
Rooted flora
only in shallow water
Nonrooted flora
float on top of water
Examples of nonrooted marine flora
algae
kelp
seaweed
phytoplankton
What is the H.M.S Challenger
a British navy during the 1800s that went on a 4-year expedition
What was the importance of the H.M.S Challenger expedition to oceanography
scientists discovered 4000 new marine species
pioneered the way for the field of oceanography
Marine milestones: 1934
William Beebe dove in the Bathysphere submersible
observed marine life in their natural habitats
Marine milestones: 1977
Alvin submersible
discovered hydrothermal vents
Who was Jacques Cousteau
explorer
perfected the aqualung
What was the precursor to scuba gear
aqualung
What did the aqualung allow
allowed researchers to further explore ocean habitats
