The basic unit of all forms of life is a(n)
a. organ system.
b. organ.
c. tissue.
d. cell. user: which of the following is an example of epithelial tissue?
a. bone
b. skin
c. fat
d. muscle user: the excretory system consists of which of the following organs?
a. stomach, liver, pancreas
b. lungs, nose, trachea
c. kidneys, ureters, urinary bladder
d. brain, spinal cord, sense organs

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

This question is only for applicants to scholars for medicine or scholars for dental medicine: what aspects about medicine (or dental medicine) intrigue you? describe how these aspects influence your life. (100-650 words)

What drives an advertising campaign?