An ectotherm gets its heat from external sources
(Remember "ecto" means outer, "endo" means inner)
. It can lead to changes in allele frequencies and the evolution oftraits.
Some characteristics that is shared is a soft body and an outer shell to protect their body.
<span>An example of a group of prokaryotic organisms is C. Archaea. There are three domains of life: Archaea, Bacteria, and Eukarya. Archaea and Bacteria are prokaryotic organisms. On the other hand, domain Eukarya includes all eukaryotic organisms, such as Protists, Fungi, Plants, and Animals.</span>
