What are the challenges that intertidal organisms face?
Desiccation,Temperature changes,Salinity changes, Interrupted feedi
wave action and Tides, Limited space
What is “clamming up”?
Closing shells to save moisture
What are the advantages and disadvantages to sea walls?
Protects building and homes but doesn't protect the beaches
Describe mudflats
Bottom of estuaries that become exposed during low tides
What are living and nonliving shorelines?
Living -using plants and other natural resources to stabilize estuarine coast, Bay
Nonliving-Impede the growth of plants and animals
Which intertidal zone is most exposed to the air?
Low tide
Why do organisms “clam up”?
Can deal with the potential water loss by hiding or clamming up
What influences ocean tides?
Gravitational attraction toward the moon and sun
What are the benefits of oysters?
filter water
Give examples of living and nonliving shorelines
Living-wetland, dunes, mangroves,coral reefs
Nonliving-Bulkhead
Which intertidal zone is submerged most of the time?
The middle Intertidal
What is the down side to “clamming up”?
Feeding will stop
What influences ocean tides?
Gravitational attraction toward the moon and sun
How have humans impacted estuaries?
Have been obliterated and many are endangered
What other names are estuaries referred to as?
Bay, Lagoons, Sloughs
What is the “Splash Zone”?
The upper intertidal
area above the spring high tide line, on coastlines and estuaries, that is regularly splashed, but
Crabs can be found in what intertidal zone?
Lowest high tide
What are the 4 types of estuaries we reviewed?
Mudflats, Salt Marshes, Mangrove Forests, Open water
What type of intertidal substrate can organisms burrow in?
Sand or Mud
Sea stars can be found in what intertidal zone?
Subtidal zone
Describe what is on each level of the energy pyramid
Phytoplankton, Zooplankton, Perch, Human
Producers,Primary consumers,Secondary consumers,teraitry consumers
What is an energy pyramid?
Energy being transferred/ used and getting to the next level
What are the benefits of mangroves?
Provide natural protection by preventing erosion and absorbing storm surges
What is the largest estuary in the US?
The Chesapeake Bay
Bivalves like oysters, clams and scallops can be found in what intertidal zone?
middle Intertidal Zone