Which of These Statements is Supported by Current Evidence

Question

Which of these statements is supported by current evidence?
A) The Arctic is already showing evidence of major species movements owing to climate change
B) The Antarctic has witnessed no change of summer sea ice changes
C) The Antarctic food web is not affected strongly by the presence of krill
D) Feeding by baleen whales is only of importance in the Arctic

Accepted Answer

The Arctic is indeed showing evidence of major species movements due to climate change, as warmer temperatures allow species that were previously unable to survive in the colder Arctic conditions to move northward, altering the existing ecosystem.