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.
changed different colors
It is believed that they date back to prehstoric times, when cavemen would blow coloured liquid around their hands to make cave art.
Haven't changed really.
Since there are no living dinosaurs, there is no way that we can answer, except to guess.
a lot
Farming has changed since ancient times because in the ancient times crops were made by nature and now they are made by man and they use tractors to help them with this.
There were no dinosaurs in medieval times.
Oman and Yemen were the two countries that life has changed very little in since Ancient Times.
Yes, many times.
Methods and machines have modernised.
Hedgehog ancestry is shared with other mammals which has changed little over the last 15 million years
The burrowing owl may have relatives from prehistoric times from the dinosaurs known as therapods.Since birds are relatives of dinosaurs [ because they evolved from them and share related features] that means that since the burrowing owl is a bird it is probably a decsendent of the dinosaurs