- 4 March 2014 7. What are the little black worms that get into houses at this time of year? They are about 5 to 8 cms long and usually come in at night. They crawl around for a while (sometimes up the wall) and then die. If disturbed, they curl into a tight spiral.
These are: Major regions of coral reef development. (1) The Indo-Pacific-Includes most of the Indian Ocean (excluding the Red Sea), and the western Pacific. (2) The Wider Caribbean (tropical western Atlantic) - Includes Florida, The Bahamas, Caribbean Sea proper, and coastal waters off northeastern S. America.
Coral reefs live in warm, tropical sea water all over the world. Many reefs are found in the Caribbean Sea and South Pacific. Large coral colonies live off the coast of the Florida Keys, Hawaii and Australia.everal types of algae live in coral reefs. They all provide food for other organisms in the reef. Blue-green algae process nitrogen in the reef ecosystem so that other organisms can use it. Coralline algae, a type of red algae, produce calcium carbonate which provides structure to the reef.