the role of an organisim within it's community,including what, when, and where it eats
100
About how many salt marshes in the U.S have been destroyed?
Over half of the original amount
100
What are small organisms that live in the salt marshes?
toads, fish, worms, mussels, snails, crabs, shrimp and amphipods
100
Where can you find the most valuable salt marshes?
Georgia- It is valuable, most productive of any known ecosystem, important oxegen generator
200
How tall is cord grass?
about 8 feet tall
200
population
a group of individuals of the same species that live in an area at the same time
200
What kinds of pollutions have destroyed salt marshes?
cars, planes, factories
200
What does fungi come off of?
decaying plants or animals and bacteria
200
What percentage of the world's oxegen comes from salt marshes?
20 %
300
How long does it take for a Salt Marsh to form?
Almost 100 years!!
300
Biodiversity
The many different plant and animals species living in an environment
300
What are three major threats to marshes?
1. Homes/farms/roads being built over which take away a big habitat for many species of animals
2. Used as waste dumps or sewage
3. oil spills or toxic chemicals have kills many species
300
why are they good nesting sites for birds?
1. it gives them a huge food supply such as small fish
2. a good habitat
3. can hide from predators in the tall grass
300
What two states have 50% of all salt marshes on the east coast?
Georgia and South Carolina
400
What is another name for the salt marsh?
the tidal marsh
400
organism
any living thing that can act or function independently
400
How does a coastal Squeeze affect the Salt marshes?
the marshes get squeezed between the rising sea and the flood defense walls
400
In what season do sea lavenders bloom?
the summer!!!
400
How does a salt marsh form?
It forms by incoming tides that deposite sediment across a low lying land, resulting wet mudflats
500
What color are salt marshes?
gray, brown and green with sedges, rushes and grasses
500
Community
all the populations that live and interact with each other in an area
500
how can the oceans or major bodies of water destroy the salt marshes?
an erosion can occur and damage the grass and wipe away the organisms
500
Which part of the Salt Marshes have the least amount of organisms and species?
THe Upper Marsh
500
Is there more salt in the ocean or in the salt marsh?