Answer:
C. Plants must be able to increase their mass using substances in addition to what is found in soil
Explanation:
The plant increased its mass by 74.4 kg, and the mass of the soil decreased only by 54 g (less than 0.1 % the mass of the plant).
The plant must have gotten its mass from someplace other than the soil.
A is wrong. The plant gets its mass from someplace else.
B is wrong. Plants don't need soil as such, but they need the water that is in the soil.
D is wrong. The water contains no food. It is just water.
E is wrong. The experiment demonstrated nothing about oxygen.
Biotic factors: living or once-living
Abiotic factors: non living
I dont know the what the populations are (not enough information to answer)
Niche: a niche is a term describing the relational position of a species or population in an ecosystem. ... The abiotic or physical environment is also part of the niche because it influences how populations affect, and are affected by, resources and enemies.
True I think . Have a gr8 day or night
Grass because without it none of those species would be living
