The vast array of different coral species on the reef are very beautiful. What are corals? Fungi growing on plant roots1Plants with bacteria on their leaves2Bacteria which photosynthesise3Animals with symbiotic algae in their tissue4

Which organisms below have a symbiotic relationship and together create living reefs?Multiple choice question.Plants and fungiColonial animals (coral polyps) and photosynthetic algaeFish, eels, and marine planktonEchinoderms and chemosynthetic autotrophs

characteristics of types of coral reef in points

Corals are important ecosystem builders; they do this by growing and reproducing. How many different species of coral make up the Great Barrier Reef? Fewer than 10 species116 species2400 species3Over 1 million species4

Which of the following is a biotic factor in the coral reef?

What organisms form the base of the marine ecosystem?Multiple choice question.CoralsZooplanktonPhytoplanktonSardines