Can anyone help me with biology

Eristics do scientists use to distinguish between organisms in different kingdoms

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing