instruction:
Generate an overlapping word between the given two sentences. When you find the overlapping words, they don't have to match exactly, e.g., "survival" and "survive" are valid overlapping words. Little words like "the" or "of" don't count! You must generate significant words which are not the stop words.
question:
Sentence1: Bryophytes occupy niches in moist habitats. 
Sentence2: Animals and plants that live in the same place and share resources form a community biome niche .
answer:
niches


question:
Sentence1: Mating is generally preceded by courtship. 
Sentence2: Mating is generally similar across species.
answer:
Mating


question:
Sentence1: Biodiversity encourages a healthier ecosystem. 
Sentence2: planting trees has a positive impact on biodiversity.
answer:

Biodiversity