A.
Variation in species --> natural selection --> differential reproduction --> heredity --> evolution
B.
Heredity --> variation in species --> differential reproduction --> natural selection --> evolution
C.
Variation in species --> differential reproduction --> heredity --> natural selection --> evolution
Answer:
C. Virchow
Explanation:
He popularised the cell theory
The end of a difficult time (aka hope )
10
3 + 7 = 10
check: 10 - 3 = 7
