One is living and one insnt
A community means a group of various <em>different types of species</em> living together in a common location.
A population refers to a group of organisms of the <em>same species</em> living together in a location.
Therefore, <em>the statement communities only contain one population of organisms</em>, is False.
The correct answer is: d. Carassius is a group of different organisms with similar structures, while auratus is a smaller group of memebers that can only breed with another auratus.
Carassius represents the name of genus. In binomial nomenclature it is the generic name shared by the group of close relatives. In this case, Carassius is a genus in the family of ray-finned fishes.
Auratus represents the species of the fish and it is specific unique epithet within the genus.
There us a 100 percent chance that her son will have color blindness because the son gets one of the mom's x chromosomes which will have color blindness because both of the mom's x chromosomes carry color blindness, and he only has 1 x chromosome, so he will definitely have color blindness.
