What is the period of time when dinosaurs, birds, and flowering plants first appeared?

The Triassic Period, from 252 million to 200 million years ago, saw the rise of reptiles and the first dinosaurs

The period in which dinosaurs, birds, and flowering plants first appeared is called the Triassic period. It's when the first reptiles and dinosaurs started to appear. The jurassic period is when the birds started to appear. For plants, they appeared during the Cretaceous period. Hope this helped you. :) It's a very interesting topic to research

repetition is used to make the poem come off the page

- "he is a very real person and his intent isn't to influence us vonnegut addresses this towards the end of the letter when he says, if we choose to curse, that is by our own individual means."