1. biomes
2. living, living
3. organisms, biotic
4. Water, climate, sunlight, minerals.
5. community, species
6. population, species
7. organism
Explanation:
the first one is confusing because it says "an" but no other one has a a,e,i,o,u so it has to be a biome
Hope this works
And yes you're right, check them over