A forest, a grove, a wood, a copse, a stand of timber or even a jungle
galaxy
A herd.
a group of unicorns is called a unicircle or unicluster
A group of nine is called an ennead.
A group of galaxies is called a cluster.
The answer is: a pack ! Isn't that easy?
Sheep is always Sheep whether Plural or Singular
a litter
The Chillaxes
yes
The strategy that relies on personal contact with policymakers is called direct lobbying. Lobbying is done to influence US legislature.
A group of cells that develops from a single original cell is called a clone.