B is the correct answer. You first have to understand what "biotic factor" means, It is the relationship of an organism with its enviroment.
Yes they are because they are made of coral which is living, all parts of the coral reefs are alive
Is booth because.... When is a plant, is biotic, but when is dead is abiotic
If the coral is alive then it is a biotic factor because living things are biotic and things that have never been alive such as temperature and wind are abiotic.
they are bla bla someone like you,,,,i wish nothi
it is alive
um no algae is biotic because it is a plant um no algae is biotic because it is a plant
Is booth because.... When is a plant, is biotic, but when is dead is abiotic
coral, plankton, seaweed
An example of an biotic factor is an organism such as a dog, squirrel, etc. or even a TREE
coralline algae
A biotic coral reef is made of microscopic algae that can sting. At first you won't feel it but when you get out of the water you will see it. Your sting might be similar to a jelly fishes but yours might be permanent.