Vocabulary Organisms Coral Ecology 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500 Releasing eggs and sperm into the water at same time. The term broadcast spawning means Category 1 Question 1 Planula larva; metamorphosis Coral begin life as a ______, then undergo_______ to become an adult. Category 1 Question 2 Have zooxanthellae Hermatypic corals are those that Category 1 Question 3 The place it lives and the way it lives its life An organism’s “ecological niche” is Category 1 Question 4 Eutrophication Nutrient-rich pollution which stimulates growth of algae or an algal bloom Category 1 Question 5 Dinoflagellates that are able to carry out photosynthesis Zooxanthellae are Category 2 Question 1 Crown-of-thorns sea star Acanthaster planci eat coral in large groups, what are they? Category 2 Question 2 Helps cement sediment in place forming the algal ridge How does encrusting coralline algae help the coral reef? Category 2 Question 3 Algae or seaweed Grazers prevent ________ from growing over stationary coral. Category 2 Question 4 Damselfish; Keep other fish and coral out of its garden so it has food Which fish tends to it’s garden of algae? And why? Category 2 Question 5 Animalia; cnidaria Coral belong to the kingdom _______ and the phylum _______. Category 3 Question 1 A single, or colonial polyps The dominant stage in the lifescycle of a coral is Category 3 Question 2 Charles Darwin in the mid-1800’s The most widely accepted explanation for atoll reef formation was developed by Category 3 Question 3 Nematocysts The sweeper tentacles of corals contain Category 3 Question 4 Barrier reefs where coral ridges alternate with areas of open sandy bottom Spur-and-groove formations or buttresses are caused by wind and wave action -what are they? Category 3 Question 5 Calcium carbonate The reef-building chemical secreted by several kinds of organisms is a limestone called Category 4 Question 1 Living symbiotically within the bodies of coral Where on the reef would you most likely find the reef’s most important primary producer? Category 4 Question 2 Oysters, polychete worms, mollusks, coralline algae, and barnicles Name 2 reef builders, besides coral Category 4 Question 3 Clear water, abundant light, and warm water List 3 conditions favorable for coral growth Category 4 Question 4 Zooxanthellae, tentacles, sheet of mucus, mesenterial filaments, DOM Name 3 ways corals obtain food Category 4 Question 5