The body uses specific methods to address pathogens that are causing illness. what are some of the body’s nonspecific defenses against invading pathogens?
a.
antibiotics
c.
antibodies
b.
mucus, sweat, and tears
d.
killer t cells

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.

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?