The statement "They both receive up to 25 cm of precipitation each year" is the most accurate in highlighting a similarity between deserts and tundra. Both environments are characterized by low precipitation levels, although the cold climate of tundra and the hot conditions of deserts result in different ecosystems and organisms.
The other statements do not hold true:
- Deserts are typically not home to cacti in tundra regions.
- Tundra does feature a top layer of permafrost, whereas deserts do not.
- Deserts can experience high temperatures, but tundra temperatures do not reach such highs; tundra is usually cold.
Thus, the first statement about precipitation is the correct similarity between the two biomes.
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