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Why did Mendel choose pea plants to experiment on?
Permafrost
Of arctic tundra, a perpetually frozen layer of soil that prevents water from draining.
Biome
A region (often discontinuous) characterized by its climate and dominant vegetation.
Rainfall
The amount of precipitation, in the form of liquid water drops, that falls to the ground from clouds.
Corals
Marine invertebrates in the class Anthozoa that often live in compact colonies; they are major contributors to the physical structure of coral reefs.
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