Atria
A group of alligators is called a congregation.
Compounds, that's how it's called
a compound is what i thank to i learned that in 5th grade.
A mixture is a substance that has more than one component stirred together but does not undergo a chemical reaction. The components of a mixture can be physically separated from each other.
The heart is composed of four chambers - ONE of each: right atrium, RIGHT VENTRICLE, left atrium and left ventricle.
The atrium. (Plural: atria.)
more than one lynx is call lynxes
you call them possums if your talking about more than 1
More than one fisherman is fishermen
More than one platypus is two or more platypuses. The plural is not 'platypi'.
Fish
swans
Ants
its just fishermen
Pegasi I think.
Polygamy.
two goats