They are classified as living because there dead
The most likely explanation for the variation is the offspring were produced from different combination of genes. A single pair of gold fish mentioned in the question means a male and a female gold fish. The two of them mated and contributed different genes to the fertilized fish eggs, this results in production of various body shape and colouration which is known as variation.
1.) The genetic information will be identical as this is asexual reproduction.
2.)They can spread more efficiently in the sense that the Wind can carry them for miles
Hope I helped
A decomposer it breaks down food that is decaying to only leave the bone of nothing any decaying living object is getting decomposed by mold.
