9.3 Winners And Losers

Question 0

However, many of the species that live in Britain today have been

Answer 0

Introduced by humans

Question 1

Some of Britain’s wild plants and animals have lived together for many thousands of years. During this time stable relationships have been established between the

Answer 1

Populations of these species in their communities

Question 2

Some species have been introduced deliberately and many of these are domesticated species used as

Answer 2

Food sources, such as cattle, sheep, goats, wheat and potatoes

Question 3

The introduced species have found ecological niches in many different types of ecosystem, changing the

Answer 3

Species’ interactions and affecting the size and distribution of many populations of native species