Scientists have discovered fossils of corals on Devon Island at Locations 1 and 2 shown on the map. Corals are ocean organisms that can only survive in warm waters. Which claim is BEST supported by the coral fossil evidence collected by scientists on Devon Island?
A.
Devon Island was once part of the surrounding landmass of Canada.
B.
The ocean waters surrounding Devon Island were once warmer than they are today.
C.
Devon Island was once part of the surrounding landmass of Greenland.
D.
The ocean waters surrounding Devon Island were once cooler than they are today.
1 answer
The best-supported claim by the coral fossil evidence collected by scientists on Devon Island is:
B. The ocean waters surrounding Devon Island were once warmer than they are today.
Corals are marine organisms that thrive in warm waters, so the presence of coral fossils indicates that the area was once submerged in warmer ocean waters, which supports this claim.
