We mentioned that the ectoderm is partially isolated from the endoderm by mesoglea, and that absorption of dissolved food over the surface of the anemone is an important source of nutrition for the ectoderm. In fact some of the products of digestion of large prey taken into the in coelenteron do migrate across the mesoglea to supply nutrition to the ectodermal cells. The products

The zooxanthellae are clearly visible inside this young Entacmaea quadricolor that was spawned and reared in captivity. J. C. Delbeek

The COMPLETE guide to Aquariums

The COMPLETE guide to Aquariums

The word aquarium originates from the ancient Latin language, aqua meaning water and the suffix rium meaning place or building. Aquariums are beautiful and look good anywhere! Home aquariums are becoming more and more popular, it is a hobby that many people are flocking too and fish shops are on the rise. Fish are generally easy to keep although do they need quite a bit of attention. Puppies and kittens were the typical pet but now fish are becoming more and more frequent in house holds. In recent years fish shops have noticed a great increase in the rise of people wanting to purchase aquariums and fish, the boom has been great for local shops as the fish industry hasnt been such a great industry before now.

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