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.
I believe the answer to your question is the p<span>arietal lobes</span>
... termed "hypotonic," meaning less solids (or more diluted) than inside the cell. For fluid movement in/out of cells, water will diffuse (via osmosis) from the hypotonic solution to the hypertonic one, assuming a permeable barrier (i.e. cell membrane) allows it. With this case, water will flow into the cell from outside.
Answer:
<h3>MEE TOO I DONT UNDERSTAND THIS QUESTION!☡</h3>
An associated characteristic linked to anorexia nervosa is purging after food consumption where an individual forces out the food that he or she consumed
