In my opinion it is: class/classes
A group of salmon is called a run when they swim together up a river to spawn.
A small group of people standing close together is often called a cluster or a huddle.
This behavior is called aggregation or clustering. Organisms may group together for various reasons such as protection, foraging, mating, or social interaction.
A group of protozoans living together as one is called a colony. Each individual protozoan in the colony retains its own identity but works together with the others for the collective benefit of the group.
They are called a tissue.But they should be bonded,perform specific functions and have a similar origin.
I believe it would be called a Children's Choir.
A group of Tigers that live together are called a pack.
Horses are just called "horses" unless they are in a group together. When horses get in a group together, they are then called a "herd".
Children
A group of similar individuals living together in an area is called population.
A group of Chipmunks is called a "sweet" of Chipmunks! Isn't that cute?!
A group of raptors is called a "kettle" when they are migrating together.
they are called a team;-]
The group is called a "herd".
A group of herbivorous dinosaurs traveling together is called a herd. A group of carnivorous dinosaurs traveling together is a pack.
a group of rabbits is called a warren
A community or ecosystem.