Hello. Giraffes with longer necks survive compared to those with shorter necks because of natural selection. Over time, natural selection favors the traits that would make a species thrive better in the environment. Giraffes with short necks won't have access to that much food compared to those with long necks thus they eventually died out.
ANSWER: natural selection.
A trait that is carried on any chromosome besides the X or Y chromosome is called <u>autosomal trait</u>
Option b is the correct answer
A. It encloses the cytoplasm
- Can change in the structure of chromosome affect in health and development . These changes can affect many genes along the chromosomes and disrupt the proteins made from those genes.
_-_ hOpe that this really helpss youu well, and have a GREAT BRAINLY DAY .