2 related plants may produce similar substances that could be used for medicines
Answer:
Through natural selection the disease gain immunity to the antibiotic.
Explanation:
As the antibiotic kills off the members of the population that are not resistant, leaving only the resistant members. These members then reproduce, passing the immunity to their offspring, causing the population to become immune.
Answer:
C. Both continuous variation and discontinuous variation
Explanation:
<em>this was the answer on my quiz a couple days ago</em>
The condition is called macrocytic anemia.
The most common causes of macrocytic anemia are vitamin B-12 and folate deficiency.