Question

find out how plant other than insectivorous plant obtain nitrogen ​

Answer 1

Answer:

Organic nitrogen is present in soil ecosystems bound within leaf litter and other plant detritus, as well as in insect cadavers, insect frass, and living insects. This organic nitrogen is then made available to plants through microbial decomposition

Explanation:

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Answer 2

Explanation:

No plants can do that. Most take it from the soil, and insectivorous plants found a way to short circuit that and grow in poor soil, or no soil at all. Leguminous plants form a host for bacteria that fix nitrogen and make it available for the legumes, and later when they decay for other plants.    

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