Definite volume is doesn’t possess a definite volume so therefore the answer is c
For plants , it's starch.
An abiotic factor is a non living thing
An organism's trophic level refers to the food chain position that it occupies. Producers always occupy the Trophy level 1, Primary Consumer occupies the Trophy level 2, Secondary Consumer has the Trophy level 3 and the Tertiary level fills in the Trophy level 4.
