living relationships
The animal group containing the most species would have to be the Insecta.
a horse of course
A group of organisms of the same species is called a population. A group of different species living together is called a community.
ecosystem
an animal population is group of the same species
A group of living things is called a population if they belong to the same species, a community if they comprise different species living in the same area, and an ecosystem if they interact with each other and their physical environment.
it depends if what kind of animals are being referred to, e.g. a group of birds is called "flock"; a group of sheep is called "herd", and many other terms....
A group can either be called "hippopotami" or "hippopotamuses."
It entierly depends on what type of animal you are talking about.
Adaptive Radiation
Mammals,Amphibians,Reptiles,Birds, and Fish
Sipuncula is an animal group. It contains species of worms.