Conflicts within Species
[S3 Maths and Up: Probability]
You may have noticed that many airports are very strict about the things that are allowed into and out of a country. Live plants and potential bacteria cultivars from different environments are highly regulated by them.
The red squirrels and grey squirrels are of genuine concern in the country of England and Scotland, hence the need to assess such models to understand the behavioural and survival patterns of animals. Small changes could affect the environment significantly; never underestimate how an animal could contribute to their natural habitat!