A member of the platinum group of metals which, unsurprisingly, includes platinum, rhodium is most commonly found mixed with other platinum group metals. This makes it difficult to extract, which can only increase its value.
What is a reptile? Reptiles are animals that are cold-blooded. Most reptiles lay eggs and their skin is covered with hard, dry scales. What does cold-blooded mean? Animals that are cold-blooded don't automatically maintain a constant body temperature. They have to lay out in the sun to keep their body heat up.
A vertebrate is an animal with a backbone. (An invertebrate is an animal without a backbone.) Fishes, amphibians, reptiles, birds, and mammals, including humans, are all vertebrates.Vertebrates share some basic characteristics.he Web's Best Sites. Encyclopaedia EncyclopÃ¦dia, Britannica. Inc a vertebrate is an animal with a. (Backbone an invertebrate is an animal without a.) Backbone, fishes, amphibians, reptiles, birds and, mammals including, humans are all. vertebrates