Answer:
<em>nondisjunction can lead to aneulodies by results in daughter cells with abnormal chromosome numbers (aneuploidy). (if u want a more in depth answer just look it up and you'll find one, but i hope this was somewhat helpful lol)</em>
Depending on the organism, the cell can get its energy from the sun (Plant; Photosynthesis) or through ATP energy (Animal).
The consumer is the bird because it is getting its energy by eating the fruit from the bush.
I do not understand what u said ?