Which of the following is the best example of evolution occurring?

A. Lions and cows both have hair covering their bodies and give birth to live offspring.
B. Some of the trees in places with harsh winters lose their leaves in the fall.
C. Strains of bacteria can become immune to antibiotics that once killed them effectively.
D. Viruses can attack single-celled organisms as well as multicellular organisms.

I think this one is also C, is that right?

Question

Which of the following is the best example of evolution occurring? 

A. Lions and cows both have hair covering their bodies and give birth to live offspring.
B. Some of the trees in places with harsh winters lose their leaves in the fall.
C. Strains of bacteria can become immune to antibiotics that once killed them effectively.
D. Viruses can attack single-celled organisms as well as multicellular organisms.

I think this one is also C, is that right?

anonymous · Answer

C is definately right whats up with all the answers being c

anonymous · Answer

idk? lol

anonymous · Answer

C is the one we can observe in the lab really easily, like in a day or two. The other ones are also examples but they are harder to observe directly and you have to look at more indirect evidence instead.