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Continental drift
Because at the time of Tiktaalik's experience (approximately 375 million years ago) in the Ellesmere Island was experiencing tropical climate.
You won't find an Arctic wolf in a tropical forest.
Tropical
From Arctic to tropical.
the theory called the "continental drift" hypothesized that all the continents were once a huge supercontinent but then eventually over time spread apart. this is ALFRED WEGENER (veh-gen-er) HYPOTHESIS IN 1910.
Arctic Areas
Yes most but some are arctic or alpine but most are tropical.
No..They are tropical and sub tropical species.
No, sloths are tropical animals.
temperate
temperate