The common ancestor between elephants and sirenians is Manatee.
All dogs, the families and the like, have a common ancestor. Their kind is very different to cats, elephants and fruits.
Only in the sense that all animals share a common ancestor. Aside from that they are about as far apart ans two animals can get.
I would conclude that elephants and hyraxes share a common ancestor in evolutionary history, explaining the similarities in their DNA despite their vast differences in size and appearance. This suggests that they diverged from a shared ancestor relatively recently in evolutionary terms.
they are harbivores.
The common ancestor is the Hyracotherium
Homoplasy refers to similarities in traits between different species that are not inherited from a common ancestor, while homologous structures are traits that are inherited from a common ancestor and have similar functions.
Two people who share the same great great grandparents are third cousins. To find a cousin relationship, find the common ancestor. If common ancestor is grandparents, they are 1st cousins. If common ancestor is great-grandparents, they are 2nd cousins. If common ancestor is great-great-grandparents, they are 3rd cousins.
Mammoths were a member of the elephant family. The closest living relatives of the mammoths are Asiatic elephants. They are related because they evolved from a common ancestor.
You aren't. You do not share a common ancestor.
that they share a common ancestor
yes they do in facts share a common ancestor.
It will depend on whether or not you share a common ancestor. They could also be second cousins, if you all share a Great Grandparent. If you do not share a common ancestor, there is no relationship between you.