Answer:
The correct answer is energy. Other organisms are not necessary, just like offsprings since there are many organisms that never have offsprings. Light is also not necessary with numerous organisms, especially those like the ones that live deep in the sea where light never reaches. Some form of energy is necessary for everyone.
Chromatin is dna that makes a chromosome and chromosomes are different dna strands in a cell, sister chromatids are identical pieces of dna
There are different categories you can pick from example Predation
Hey there!
I believe the answer is dopamine
