There could be a lot of reasons. To help break down food for the plants, kill off bad and harmful things that might damage the plant.
"The predominant ingredient of the inorganic matrix of bone is calcium salts, with the majority existing as large molecules of hydroxyapatite crystals" is TRUE.
<u>Option: A</u>
<u>Explanation:</u>
- A significant element of normal bone and teeth and an essential ingredient.
- Hydroxyapatite compensates the mineral bone and teeth matrix.
- It is hydroxyapatite which brings its stiffness to bones and teeth.
- The inflammation triggered by crystals with hydroxyapatite was referred to as crystal disease with hydroxyapatite.
- Hydroxyapatite, also termed hydroxylapatite, is a found naturally in calcium apatite mineral type.
- A well-recognized unexplained etiological systemic problem named as "Hydroxyapatite crystal deposition disease (HADD)" has been caused by para-articular and/or intra-articular HA crystal deposition.
Answer;
-Archaeocytes
Cells that move about in the mesohyl, digest particles, and may specialize for other functions are the archaeocytes.
Explanation;
-Archaeocytes are very important to the functioning of a sponge. These cells are totipotent, which means that they can change into all of the other types of sponge cells.
-Archaeocytes ingest and digest food caught by the choanocyte collars and transport nutrients to the other cells of the sponge. In some sponges, archaeocytes develop into gametes.
