Answer:
Yes it can, the one parents genes can be stronger than the other
Without those parts, the cell wouldnt be able to perform its basic function and thus die
Answer
The main reason being the amount of food available.
Explanation:
Think of it this way:
If an animal is trying to find food but another species is looking for the same prey then its going to be increasingly difficult for the species to find prey and if there's not enough of the prey species then the population of the predator to go down.
That is why its considered a limiting factor.
Since its negative, it means it is growing away from the light source. It's a rather odd question because plants usually grow towards the light source.