Pereskia is considered close to the ancestral species from which all cacti evolved.

Not all of us were put here by Galen's ancestral species, Captain.

Their properties vary greatly with the particular ancestral species of hickory.

"It really made people believe that chimps were the ancestral species."

Because they were descended from them, many sometimes descending from a single ancestral species.

At very early stages, for instance, all vertebrates appear extremely similar, but do not exactly resemble any ancestral species.

Cultivated Citrus may be derived from as few as four ancestral species.

Hybrid offspring generally possess traits or characteristics seen in ancestral species.

The search for a species ancestral to A. afarensis has been a central goal of fossil hunters.

All have most likely evolved from a single ancestral species.