1. Some people worry that introducing the new species could disturb natural habitats.
2. Mammoths could be cloned by injecting the DNA of the mammoth into the egg cell of the modern elephant.
3. Frozen Mammoth is the movie mentioned in the text and talks about the „balance of nature‟.
4. The only way we can preserve species is by conserving the environment.
5. There are both advantages and disadvantages of cloning animals.