Which of these is an example of a positive feedback loop? As a laboring woman's cervix dilates (opens), hormones cause it to dilate more.
As carbon dioxide increases in the blood, you exhale faster to remove it.
As glucose in the blood decreases, more is produced.
As your body gets cold, it generates more heat.

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

well, i believe that the answer is 2. : 3