Well you don't have groups listed below, and I'm not sure what you mean by groups anyway, but for kingdoms I believe all mammals are warm-blooded.
Mammals & birds.
There are few jobs where you will be able to travel around the world helping or saving sea creatures. Some animal activist groups have positions that may entail this. If you were a marine biologist you would be able to as well.
there are many myths on unicorns that portray different feelings about these creatures, but I personally believe that unicorns do travel in groups due to the possibility of more safety for naturally they are peaceful creatures.
No, as mermaids do not live; they are creatures of fiction.
I belive that's all of the groups... ----
No - squids and reptiles belong in completely different groups of the animal kingdom. Squid, cuttlefish, and octopus belong to a phylum called cephalopod mollusks.
I believe that they are social creatures. You always see them in groups.
vertebrates and invertebrates
pillow insect
The echidna is a solitary animal and not usually found in groups.
the 2 main groups are the vertebrates and the invertebrates
The animal kingdom is divided into five groups for classification purposes. They are called Ctenophora, Porifera, Placozoa, Cnidaria, and Bilateria.