What is the most commonly seen trait in human and/or animals?​

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases

The function of the ciliary escalator is to

Which of the following terms describes all of the non-living components of an ecosystem