How do you know they can't breed?
4 seconds sound clip from the Jurassic Park (1993) movie soundboard.
You can hear this line at 00:29:47 in the Blu-ray version of the movie.
Quote context
[...]
- I've been present for the birth of every little creature on this island.
- Surely not the ones that have bred in the wild?
- Actually they can't breed in the wild.
- Population control is one of our security precautions.
- There's no unauthorized breeding in Jurassic Park.
- How do you know they can't breed?
- Because all the animals in Jurassic Park are female.
- We've engineered them that way.
- Blood temperature seems like about high 80s, maybe. Wu?
[...]