Detailed Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Q: Passage: Terrestrial biomes include all the land areas on Earth where organisms live. The distinguishing features of terrestrial biomes are determined mainly by climate. Terrestrial biomes include tundras, temperate forests and grasslands, chaparral, temperate and tropical deserts, and tropical forests and grasslands. Answer: climate
A:
What factor largely determines the distinguishing features of terrestrial biomes?