Specifically, it is the tissues in the bone which makes up the skeleton. This bone tissue is composed of cells with extracellular matrix that is calcified. Bone contains collagen and calcium phosphate which contribute to it mineral structure and firmness.
Newts are generally a safe pet, however there are a few species that are known to carry salmonella, and other species are in fact poisonous, but only if consumed. The brightly colored bellies of a newt are one way to tip a person off to their toxicity.ewts are generally a safe pet, however there are a few species that are known to carry salmonella, and other species are in fact poisonous, but only if consumed. The brightly colored bellies of a newt are one way to tip a person off to their toxicity.
Golden poison dart frog. Some of the most beautiful things on this planet are also some of the most deadly. But that's the point -- by standing out with vibrant colors, a species can ward off potential predators. This is the strategy of these tiny, vibrantly colored, and highly toxic frogs.e might as well start our gallery with the most toxic of all poisonous frogs, and perhaps the most poisonous animal in the world, the golden poison frog. Even its scientific name, Phyllobates terribilis, shows that small things can be incredibly harmful.