Respuesta :
Answer:
The early Mesozoic was dominated by ferns, cycads, ginkgophytes, bennettitaleans, and other unusual plants. Modern gymnosperms, such as conifers, first appeared in their current recognizable forms in the early Triassic.
Periods: Triassic
Explanation:
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During the Mesozoic Era, several new organisms appeared and one of those were c. Birds.
Some of the organisms that appeared in the Mesozoic era include:
- Mammals
- Birds
- Reptiles
In the Mesozoic Era, birds began to appear as they evolved from avian dinosaurs and this happened over 150 million years ago.
In conclusion, birds appeared in the Mesozoic era.
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