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tatyana61 [14]
3 years ago
11

Help me its a little bit hard so i added more points, ill really appreciate you help.

Biology
1 answer:
exis [7]3 years ago
3 0
1. Niche
2. Animals or plants dying or animal waste produces nitrogen which goes into the soil and is converted into ammonia by microorganisms/bacteria(called nitrogen fixation. Plants can use this ammonia
3. Because they need them for nutrients- if their host dies they lose their source of nutrients until they can find a new one
4. C
5. B
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