0
What else can I help you with?
Earth's first vertebrates appeared during this period?
No, the first vertebrates evolved long before the Mesozoic. The first vertebrates, small jawless fish, evolved around 520 million years ago. Land animals had even evolved long before the Mesozoic Era.
In what era did vertabrates appear?
Vertebrates first appeared during the Paleozoic era.
Did the first vertebrates evolve during the mesozoic era?
No. The 1st vertebrates appeared in the fossil record about 525 million years ago during the Cambrian Period. This was in the Paleozoic Era.
When did the first vertabrates appear?
The first vertebrates appeared during the Cambrian period, approximately 525 million years ago. These early vertebrates were jawless fish, known as agnathans, which marked a significant evolutionary development in the animal kingdom. Fossil evidence, such as the discovery of the extinct genus Myllokunmingia, supports this timeline and highlights the emergence of complex structures in early vertebrates.
What was the first warm blooded vertebrates that fed their young with milk appeared during the mesozoic period?
The mammals.
What was the first warm-blooded vertebrates that fed their young with milk appeared during the triassic period?
MAMMALS
When did the first multicellular organism appear?
Multicellular organisms first appeared during the Vendian period.
What period did human ancestors first appear?
Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.
What period did human ancestors first appear in?
Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.
During what period did the insects first appear?
Silurian Period 408 - 438 Million Years Ago
What group of vertebrates begins life in water ans later lives on land?
Amphibians were the first vertebrates that came out of the water. The first vertebrates that could live outside of the water though were reptiles. or class reptilia this was during the Carboniferous period.
What period did whales first appear?
The period where whales first appeated is to be during the Eocene Epoch (56-34 Million Years Ago).
