<span>Charles dawn spent over 20 years developing his theory of natural selection. True
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<span>The answer would be: new combinations of the HA and/or NA proteins on the surface of the virus during viral evolution
</span><span>Antigenic shift is a mutation in the antigen that causes its shape changed. This change is dangerous because the white blood cells will not recognize them as the old virus, make the strong immune response delayed. This changes mostly caused by a random mutation.</span>
Answer:
D, B, A
Explanation:
Since C and E are completely false
They are typically a carnivore. Scavenger's clean a dead body, decomposers eat the bones and the rest, and producers are always plants! Hope this helps!
=D