I'm not sure what you mean by this but here is a diagram of a nephron!! Hope this helps?
People believed that zebras were white animals with black stripes, since some zebras have white underbellies. Embryological evidence, however, shows that the animal's background color is black and the white stripes and bellies are additions.
There were millions of people helped by the CCC. The CCC is also known as Civilian Conservation Corps. Stanley Watson's life was improved because he got a job and enrolled in college. He finished college with a good degree and got a great job.
The answer is A! Speciation is the right answer
