Sentences with phrase «very early vertebrate»
If the denticles of some very early vertebrate had migrated into the jaw, grown larger and gained new functions, the speculation went, they could have given rise to modern choppers.
https://www.scientificamerican.com/ Not exact matches
Finds such as the newly discovered Birgeria species and the fossils of other vertebrates now show that so - called apex predators (animals at the very top of the food chain) already lived early after the mass extinction.
From an evolutionary perspective, the findings reveal that sophisticated immune defense mechanisms in respiratory surfaces came about very early in vertebrate evolution.
Dr Wenban - Smith explains the Ebbsfleet area would have been very different from today: «Rich fossilised remains surrounding the elephant skeleton, including pollen, snails and a wide variety of vertebrates, provide a remarkable record of the climate and environment the early humans inhabited.
«The scales of most fish that live today are very different from the ancient scales of early vertebrates,» says study author Dr Andrew Gillis from Cambridge's Department of Zoology and the Marine Biological Laboratory in Woods Hole.