Coral: Quiz


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More interesting facts on Coral

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Question 1: Fossils of fellow reef-dwellers algae, sponges, and the remains of many echinoids, brachiopods, ________, gastropods, and trilobites appear along with coral fossils.

Question 2:
What phylum does Coral belong to?

Question 3: ________ bamboo corals (Isididae) may be among the first organisms to display the effects of ocean acidification.
Pelagic zoneDeep seaHydrothermal ventBlack smoker

Question 4:
What classis does Coral belong to?

Question 5: The polyps are multicellular organisms that feed on a variety of small organisms, from microscopic ________ to small fish.
Primary productionZooplanktonPhytoplanktonPlankton

Question 6: Rugose corals became dominant by the middle of the Silurian period, and became extinct early in the ________ period.
TriassicPermianDinosaurGeologic time scale

Question 7: Coral rag is an important local ________ in places such as the East African coast.
TitaniumTinAluminiumBuilding material

Question 8: Synchronous spawning is very typical on a coral reef and often, even when multiple ________ are present, all the corals on the reef release gametes the same night.
EvolutionLifeSpeciesBiological classification

Question 9: The stomach closes at the base of the polyp, where the epithelium produces an ________ called the basal plate or calicle (L. small cup).
ArthropodSmall shelly faunaExoskeletonSponge

Question 10: The sea anemone Aiptasia, while considered a pest among coral reef aquarium hobbyists, has served as a valuable ________ in the scientific study of cnidarian-algal symbiosis.
Model organismFungusEvolutionBiology

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