Because at the time of Tiktaalik's experience (approximately 375 million years ago) in the Ellesmere Island was experiencing tropical climate.
Arctic fish have longer chains of unsaturated fatty acids in their membranes.
In terms of NPP per unit area, the most productive systems are estuaries, swamps and marshes, tropical rain forests, and temperate rain forests
1. deciduous forest 2. tropical forest 3. hot desert 4. savanna 5. ocean 6. arctic 7.grassland
Major Vegetation types of world-examples(A) Vegetation of Cold Latitudes & High mountains,Arctic Tundra(B) Vegetation of Temperate Zones(C) Steppe & Savannas(D) Tropical rain forest(E) Tropical deciduous & Scrub forest
gilled mushrooms are a common fungi in the arctic tundra.
Continental drift
You won't find an Arctic wolf in a tropical forest.
Tropical
From Arctic to tropical.
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
Arctic / Polar country
No. Manatees live in tropical and sub tropical regions, not in the Arctic.