the.com/landbridge
Geography's handshake — a strip of dirt where continents agreed to introduce their wildlife.
means A narrow neck of land connecting two larger landmasses, letting species and people cross without getting wet.
from A literal compound of land and bridge, borrowed by geologists in the 1800s to explain how kangaroos and llamas got around without boats.
Bering starBering land bridge let humans walk into the Americas.
Sea levelMany appear when ice ages lock water into glaciers.
Panama makerIts rise three million years ago split two oceans.