It means its body is not specialized, and is relatively unchanged from whatever was the ancestral group.

He said later that the tactic was traditional among members of his ancestral ethnic group.

Improper designation of an ancestral group may also bar acknowledgement.

This suggests this genus broke away from the ancestral group first.

I went to some pains to present the available evidence that this ancestral group was in many ways highly evolved and has been consistently misrepresented.

Diasporas provide money, arms, fighters and leaders to their ancestral groups struggling for freedom.

This hypothesized ancestral group probably split into two branches around 54 mya.

All the evidence Young cites for the ancestral group are the most similar words: mother, father, etc.

According to this theory these two major ancestral groups came to Japan over different routes at different times.

They have taken in words from other ancestral groups.