4 Read the stories again and answer the questions.
1 Why were the prison guards in Vienna
surprised by Detlef Federsohn?
2 Why didn't Detlef Federsohn want to live with
his mum?
3 Who attacked David Copperfield?
4 Why didn't they steal anything from
Copperfield?
5 What photos did Lee Hoskins take?
6 How did the police catch Lee Hoskins?
7 How did the Colombian burglar get into the
rich man's house?
8 Why wasn't the burglar's plan successful?

Some organisms have a large geographic range. for example, the norway rat lives on every continent except antarctica. a population of norway rats is the number of rats in one particular area. do you think it’s scientifically possible for a population of norway rats in north america to carry different genetic mutations than a population of norway rats in africa? do you think it’s possible that they carry some of the same mutations? what types of information can scientists learn by studying the genomes of these two populations of rats?