Estuaries
What is a network of slow flowing tidal creeks found in low-lying deltas. Ex: Mississippi River
Bayou
What is the leaf-life portion of the thallus of a seaweed
Blade
What are two characteristics of the Phylum Mollusca
Bilateral symmetry
Muscular foot
Radula
What are two characteristics of the phylum arthropoda?
Exoskeleton
Segmented body
Jointed appendages
What is a chemical compound obtained from marine organisms not for consumption
Marine Natural Product
What is an estuary that is formed in a deep valley created by a retreating glacier?
Fjord
What is the root-life portion of the thallus of a seaweed
Holdfast
What is the radula made out of?
Chitin
What is an arthropods exoskeleton made out of?
Chitin
Give one pro and one con to tourism
Multibillion dollar business worldwide
Opportunities for nature lovers
Not always sustainable due to over-tourism
Estuaries are considered to be what type of water?
Brackish
What is the complete body of a seaweed?
Thallus
Define the type of circulatory system mollusks have?
open circulatory system
A system where the blood or circulatory fluid is not contained in vessels and can flow into the body cavity.
What is it called when arthropods shed their exoskeletons?
Molt
Why is the aquarium trade so destructive to the environment?
Aquarium fish often collected by using poisons or explosives that kill hundreds or thousands of fish for everyone that makes it to a pet shop.
This moves back and forth with the daily rhythm of the tides. It moves up the estuary on the rising tide and then recedes back as the tide falls.
Salt Wedge
What is the gas-filled bladder in seaweeds?
Pneumatocysts
Byssal Threads
List the classes found in phylum arthropoda
Crustaceans
Merostomata
Pycnogonida
Where are the marine environments that are most impacted by human activities located?
Estuaries and Mangrove forests
Why are estuaries so important to the ecosystems
Hurricane Protection
Fish Nurseries
What is a phycocolloid extracted from red algae that is widely used in food processing as a thickening agent?
Carrageenan
List the classes found in phylum mollusca
Gastropoda
Bivalvia
Cephalopoda
Polyplacophora
Scaphopoda
List the planktonic larvae form of each species
Copepods/Barnacles
Spiny Lobsters
Shrimp/Crabs
Copepods/Barnacles- Nauplius
Spiny Lobsters- Phyllosoma
Shrimp/Crabs- Zoea
List 3 anthropogenic impacts on coral reefs.
Pollution- excess nutrients, sewage, overfishing
Sediment runoff from deforestation
Damage from boats, anchors, reef walking, shell collectors, scuba divers
Bleaching/Stress
Trawling