A dependent variable is something that relies on another variable; it is what is being measured in an experiment.
Answer:
Specialized cells because they preform a specific function
Answer: By looking at the biological bases of human behavior, psychologists are better able to understand how the brain and physiological processes might influence the way people think, act, and feel.
I believe alleles for the same trait are separated from each other during the process of meiosis.
Chromosomes are the homologous chromosomes that cross over