there where confers not trees
Since the Mesozoic era, a lot of flowering plants have been dominated by trees and food bearing plants.
Since the time of the dinosaurs, one significant change in vegetation is the rise of flowering plants, or angiosperms. During the Mesozoic era, the dominant plant groups were cycads, ferns, and conifers, but by the Cretaceous period, flowering plants began to diversify and eventually became the dominant form of vegetation on Earth. This shift significantly altered ecosystems and influenced the evolution of herbivorous and pollinating animals. The emergence of flowering plants also led to more complex plant-animal interactions, shaping modern biodiversity.
Slow climate change during the time of the dinosaurs could have led to changes in vegetation distributions, affecting food availability for herbivorous dinosaurs. It could also have influenced sea levels and ocean currents, impacting marine ecosystems and the availability of marine food sources for dinosaurs living along the coastlines.
Since dinosaurs died out, terrestrial fauna that was once reptile based has been replaced by a wide variety of mammals. Also, flowering plants are the dominant flora.
I am not sure I understand your question. However, while dinosaurs were alive for 160 million years, they did evolve and change a lot. Their descendants, the birds, have also evolved considerably since the extinction of the dinosaurs, and continue to do so even today.
trees cactus pink poisonous flowers dinosaurs
No that would be an herbivore. Carnivores eat strictly meat.
Desertification causes the area to have a lack of rain since there is a lack of vegetation. This will change the climate to an arid state.
Biodiversity can change by mass distinction, natural disasters, hunting through humans and from their predators, Diseases, and etc. For example, existance of dinosaurs have changed since they are extinct. That proves that biodiversity has changed since dinosaurs no longer exist.
No dinosaurs are not still alive there are some relatives of dinosaurs that have been alive since dinosaurs like alligators and crocodiles even tigers and elephants.
They were extinct since a long time, most dinosaurs displayed in bones are in historical museums.
since the dinosaurs