An organism benefits from organ systems that work together and communicate, because these systems help an organism to
a. maintain heterogeneity.
b. maintain homeostasis.
C. carry out cell differentiation.
d. carry out complex, specialized functions.

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

An 88 year-old widow with uterine prolapse and multiple comorbid conditions has been unsuccessful in the use of a pessary for treatment elects to receive colpocleisis (lefort type) to prevent further prolapse and avoid more significant surgery like hysterectomy. the treatment is successful. what are the cpt® and icd-10-cm codes reported for this procedure?

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms