Guppys are special fishes that DO NOT lay eggs. They give birth to young.
Not typically, as a guppy is a guppy, no matter the color. However, all fish are different, just as people are with temperament.
No. If you exclude the length of the tail (caudal) fin in some male guppys, under normal circumstances, female guppys grow to around double the size of male guppys
No
no
no
Poecilia reticulata
No
guppys are tropical fish. they require a heater, and 1 gallon is to small for a heater
The term is "Livebearers" and the answer is "yes they are".
yes
... if the guppies are big enough ;)