Only a small proportion of the world's species are found on each individual continent. Which organism is an exception and has a widespread distribution across most continents?
A) Monarch butterfly
B) Barnacle (Semibalanus balanoides)
C) Norway rat
D) Heathlands

Question

Quizplus · Accepted Answer

The Norway rat (Rattus norvegicus) is an exception as it has a widespread distribution across most continents due to human activity, unlike the other organisms listed.

Only a Small Proportion of the World's Species Are Found