Final answer:
Deserts and rainforests have high temperatures, but differ in rainfall levels. Both have high biodiversity.
Step-by-step explanation:
The desert and rainforest are similar in that they both have high temperatures, but differ in their levels of rainfall. While deserts have low rainfall, rainforests have high rainfall. Another similarity between the two is that they both have high biodiversity, meaning they support a wide variety of plant and animal species.
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