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.
1. A poison dart frog is also called poison arrow frogs. They are very attractive vibrant colored frogs but they can be deadly if misused. Their toxin is their protection.Their beautiful colors are a warning to predators that they are deadly. 2. There are over 100 species of this frog. poison dart frog is also called poison arrow frogs. They are very attractive vibrant colored frogs but they can be deadly if misused. Their toxin is their protection. Their beautiful colors are a warning to predators that they are deadly. 2.