Coral Reefs are an underwater______________
Ecosystem
They are known as the __________________ of the sea.
Rainforest
Zooxanthellae / Symbiodinium is a type of what?
Algae
What does zooxanthellae provide for the polyp/coral
Food. (I will accept oxygen and sugar as well)
Coral is a what?
living creature
Coral reefs are home to _____________ of all marine life
25%
Humans impact _____________ of coral reefs.
75%
What does it mean to have a symbiotic relationship?
Both things rely on each other. They have a give-and-take relationship going both ways.
What is Coral symbiotic with?
Zooxanthellae / Symbiodinium
What range of temperatures do tropical corals need to be in?
Between 73-84 degrees Fahrenheit
What are the three different diseases we learned about so far?
White band disease
Black band disease
Coral bleaching
What are the three main different reef structures? And which one is the most common?
Fringing - MOST COMMON
Barrier
Atoll
What are the three water conditions tropical corals need to be in?
Shallow
Warm
Clear
Explain how hard-corals eat.
Zooxanthellae photosynthesis and provides the food the coral needs from the sun.
What is the main food soft-corals eat?
Zooplankton
Draw a polyp and label it with the 5 main components.
Sydney and Deb will go around and check
Body parts- Mouth, body, gut, tentacles, calcium carbonate.
What does a polyp deposit onto a hard surface?
Calcium Carbonate aka Limestone
What is the scientific name for a hard coral and a soft coral?
Hermatypic - Hard Coral
Ahermatypic - Soft Coral
Briefly explain what White band disease is
Briefly explain what Black Band disease is
White - occurs when tissue peels from staghorn and elkhorn coral, leaving an exposed skeleton.
Black - a black band forms on the coral causing tissue degradation.
Name 4 different ways humans affect the coral reefs.
Climate change
Pollution
Overfishing / fishing practices
Fertilizer run-off
Sunscreen
Which current brings warm water from the Caribbean northward to Florida?
Which type of reef is often associated with active volcanoes?
Fringing
Parrot fish are a type of _______________
Bioeroder
Encrusting ______________ helps build reefs because they grow over biogenous sediment which helps cement them into place.
Algae
Mineral Oils
Pharmaceuticals
Food (seafood products)