Genetic variation happens when one organism in the population mates with a genetically different organism. Same species, different genetics such as color or height/weight.
D. Lava plateau
They are formed when lava flows from the volcano & build up over time as the molten lava is deposited & cools.
Phylum is a principal taxonomic category that is ranked below the kingdom and above the class. If two organisms are in the same phylum, this means that they are also in the same kingdom. Each phylum is composed of one or more classes.
