Such gradual transformation is also fairly well exemplified for subfamilies and occasionally for families, as the groups are commonly ranked.
Such gradual transformation is also fairly well exemplified for subfamilies and occasionally for families, as the groups are commonly ranked.
Every paleontologist knows that most new species, genera, and families, and that nearly all categories above the level of family appear in the record suddenly and are not led up to by known, gradual, completely continuous transitional sequences.
© 2020 Inspirational Stories
© 2020 Inspirational Stories