Can anyone give me some helpfull Guter Rat on something?

Here is the headline: I have just started playing this classical video game for the Playstation called "Warpath Jurassic Park". And I am having the slightest troule with something.

One of the little exclusives Du have to unlock is Von completing "survival" mode and win through it all. My proublem is that no matter how hard I try to play it my way I keep on loosing and it's very frustrating plus irrtating.

My Frage is that if any of Du out there played oder still plays this game could Du give me some helpfull hints oder Guter Rat on how to win?