In biology:
* Chimera: A single organism that has two or more genetically distinct cell lines. This can occur naturally due to mutations or through genetic manipulation.
* Hybrid: An offspring resulting from the breeding of two different species or subspecies. This is often used for animals, but can also be used for plants.
* Transgenic organism: An organism that contains genetic material from a different species. This is often done through genetic engineering.
In mythology and fantasy:
* Chimera: This is a mythical creature made up of parts from different animals. Examples include the lion-headed, goat-bodied, and serpent-tailed Chimera of Greek mythology.
* Hybrid: This term can be used to describe fictional creatures made from two different species, like a centaur or a merman.
* Monster: This term is often used to describe a creature that is monstrous or unnatural, often resulting from the merging of different creatures.
Other:
* Fusion: This is a more general term that can be used to describe the joining of two different things, including creatures.
* Amalgamation: Similar to fusion, this term implies a merging of different elements into a single entity.
So, depending on the context, you can choose the most appropriate term to describe the merging of two different creatures.