Question

There is evidence the continent of Antarctica once had a tropical climate. However, Antarctica moved southward to its current location over the South Pole of Earth after the breakup of the supercontinent Pangaea. This movement caused which ecological changes in Antarctica?

Answer 1

Extension of producer roots to absorb nutrients from cooling magma.

Antarctica, the southernmost continent and site of the South Pole, is a virtually uninhabited, ice-covered landmass. Most cruises to the continent visit the Antarctic Peninsula, which stretches toward South America.

It’s known for the Lemaire Channel and Paradise Harbor, striking, iceberg-flanked passageways, and Port Lockroy, a former British research station turned museum. The peninsula’s isolated terrain also shelters rich wildlife, including many penguins.

Due to harsh conditions, extreme weather and no permanent population on the continent there are no regular passenger flights to Antarctica. Most flights transport research personnel and supply the bases. The lack of infrastructure makes it difficult to recover a stranded aircraft in case of an emergency.

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