Answer:
Evolution is the process by which populations of organisms change over generations. Genetic variations underlie these changes.
Because the stomach is lined by a mucous membrane (the gastric mucosa)
The oddtopsie person or how ever you stell it
I think its the sun, which converts into chemical energy in the form of sugars (Glucose
Answer:
Life on earth is very diverse, from single-celled protozoans to complex multicellular plants and animals. But at the molecular level, all life is fundamentally made up of the same building blocks – DNA and RNA. One of the primary differences between DNA and RNA is that DNA is double-stranded while RNA is single-stranded.