Ok, a sabre-toothed tiger may not really react to such a call - unless it wants to bite your arm off of course!!
So how was this creature feature? Well, it's main (probably only) plus point is that it's relatively short at just around 90 mins, so you won't waste too much of your life! It does try to have a 'sensible' plot, the only problem is that most of it is ripped off from Jurassic Park, with only a group of students replacing the kids.
Cons? Horrible horrible CGI, you can spot exactly when the money is starting to run out! The death toll is pretty predictable - everyone of dubious moral chracter gets offed in some way, as well as the compulsory dizzy blondes - such a waste.
As usual with these films, if you're into badly made, poorly acted, cheap B-movies, you'll get some enjoyment. It worked for me with a few drinks on a Saturday night. If you're after a 'proper' film, then avoid - but then you don't need me to tell you that do you?