Effects of eutrophication: 1  The algae covers the surface, it prevents the penetration of sunlight into the wter bodies. 2  The growth of aquatic animals inside the water body is affected. 3  The fishes are not able to get good oxygen hence they die. 4  Usually it takes a very long time for the water body to regenerate its initial state. 5  The movement of ...
12 people found this useful.   The color of bone cell, a connective tissue, is a yellowish, and blackish when stained. The osteocytes, blood vessels, and haversian canals are a black color while the h â¦ aversian lamellae, and canaliculi are a yellowish color.at has a yellow color, so the appearance of the material in the medullary cavity â¦ will get more yellow as a person ages, but the marrow itself is red. == Bones are usually filled with a whitish cream colored marrow.
(Answer #1). The bones in the human body as well as that of all other vertebrates are made primarily from calcium, or to be more specific calcium phosphates. Have you noticed when you see an ad on television for osteoporosis, they often talk about whether or not a person (especially in women) is getting enough calcium.Answer #2). Bones of the living body are not at all so dry, white and rigid, as we might think, seeing skeletons exposed in museums. Living bone is dark gray and is covered by a periosteum membrane, through which penetrate blood vessels and bones' nerves.