Jurassic Park

Mr. Spielburg,

While your movies Jurassic Park and The Lost World are entertaining, they are not accurate portrayals of the ecosystem in the Jurassic period. Through close examination of the animal and plant life in your movies, my high school environmental geology class has come to the decision that your movies are typical misleading Hollywood fabrications of historical data.

Our most outstanding concern is that out of the eleven varied species of dinosaurs in both of your movies, only four were actually from the Jurassic period. One would think that if an amusement park that was centered around a specific time frame such as the

Jurassic period would have animals and plants from that period; however, in your movies you have placed plants and animals from the Cretaceous period in a park named Jurassic.

This would not be a big deal if the two periods were not separated by millions of years, but how could two ecosystems separated by millions of years be expected to coexist. We see this not as creative fiction, but as an inane idea that drastically diminishes the character of your multimillion dollar movies.

We feel that in the two movies both you and your team of special effect artists went a little overboard. It seems to us that you cared more about getting a little thrill out of the audience and raking in viewers money rather than caring for their intellectual welfare. Where on earth was the idea thought up that if something did not move then it could not get attacked by a Tyrannosaurus Rex. There is no way to tell how an animal that has been extinct for millions of years processed the images that it saw, and how do you explain the paradox that you create with the Tyrannosaurus between the first and second movies. In the first movie a T-Rex is nose to nose with humans and does not acknowledge their presence, but in the second movie it is stated that the T- Rex has a sensory cavity that can track prey from miles away.

You seem to have also overlooked the weights of the dinosaurs in order to make the movie more dramatic. We agree with you that if a seven ton T-Rex was walking beside a puddle of water then it would make ripples in the water and the ground would shake a little especially if the T-Rex was running at its top speed of 35 miles per hour, but what about the Brachiosaurs? A full grown Brachiosaur weighed between 85 and 112 tons, yet in the movies they hardly made an impact when they moved.