Definition. A fibroblast is a cell that manufactures and maintains connective tissue, the structural framework that supports the organs of all animals. Fibroblasts secrete fibrous proteins and ground substance, which together form the extracellular matrix that is the basis of connective tissue. fibroblast is a cell that manufactures and maintains connective tissue, the structural framework that supports the organs of all animals.
Therefore, there is very little chlorophyll in these tropical waters, keeping them clear. (As an aside, corals are symbioses where phytoplankton have evolved to survive in nutrient-poor tropical waters by living inside the bodies of the corals and obtaining nutrients directly from the waste products of the corals.
2300 liters, it is only 3 weeks old and the water was very clear. It was filled using tap water and we have 12 small gold.The water was staying very clear until it rained for 3\4 days non stop and now has a tinge to it and is cloudy. Can rain water do this to a pond ??? Your kind attention is appreciated.here are two inter-related factors to consider before deciding to use rain water for fish: pH values affect fish health considerably. The typical pH of rain water is about 5 â 6. However industrially produced sulphuric oxides and carbon monoxide in the atmosphere can reduce the rainâs pH to 4 or below.