2048
Explanation:
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The answer is B they are acquired through exposure to mutagens.
By diffusion. Diffusion means the net movement of materials from a region of higher concentration to a region of lower concentration down the concentration gradient
There are 6 kingdoms : bacteria, archea, protista, fungi, animalia, and plantae
The 3 domains are : domain bacteria, domain archea, and domain eukarya.
So 6 kingdoms and 3 domains.