The movement of particles in diffusion are determined when particles from one area go to another with little or no particles.
Answer:the fitness of an organism is the ability to survive and reproduce
Explanation:
Salutations!
The two biomes that are the most similar with regard to rainfall is desert and tundra. Tundra is the coldest biome, its tree less with very little nutrients, precipitation and seasons often remain the same. Desert is very hot in the day, but very cold at night, it receives less rainfall and has very strong winds.
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It is the fraction of all chromosomes in the population that carry that allele.