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Meanings of invertebrate ancestors in inglés
We have no meanings for "invertebrate ancestors" in our records yet.
Usage of invertebrate ancestors in inglés
1
The whole of the invertebrateancestors of the human race must have preceded these.
2
But we find these lower stages in their original purity in the lower vertebrates and their invertebrateancestors.
3
All man's earlier invertebrateancestors, from the Gastræads up to the Prochordonia, were hermaphrodites; possibly even the earliest Acrania.
4
These were very great in the series of our invertebrateancestors; they are much slighter in the subsequent series of our vertebrate ancestors.
5
Their invertebrateancestors were soft organisms without skeleton, and thus incapable of fossilisation, as is still the case with the lowest vertebrates-theAcrania and Cyclostoma.