End of year 9 exam 3 Flashcards
what is Coral
tiny animal (polyp) which lives in large colonies in warm, shallow, clear and
pollution-free salt water.
what is a Coral reef
offshore accumulation of dead coral, usually with live coral growing on top.
what is an Atoll
reef running parallel the coastline but are separated by deep, wide lagoon.
what is Zooxanthellae
algae that are able to live in symbiosis with marine invertebrates such as
corals, jellyfish, and sea anemones.
what is Polyps
tiny, soft-bodied organisms related to sea anemones and jellyfish. At their
base is a hard, protective limestone skeleton, which forms the reef.
what are Barrier reefs
reef running parallel the coastline but are separated by deep, wide lagoon.
what is Biodiversity
rings of coral that surround protected lagoons.
