A. Scientific ideas are changed when better ones are found.
Answer:
A. Sections of DNA that produce proteins that control an organism's characteristics
Explanation:
The other cells need these proteins in order to have a job, but they need to start from genes. Besides human traits, other organelles' dependence on them makes it vital to the life of a cell.
Genetics or the daughters get if from their dad genes... What was the question?
They drop on the ground and the wind blows them or birds pick them up and drop them or bees
Blood needs to flow faster around the body in order to supply the muscles with oxygen for respiration