Because they have more space for farming and they have a lot of rice.
Answer:
The gene that appears more in the family tree is dominant
The gene that appears less is recessive.
It seems that all the white shapes are dominant and the black shapes are recessive.
Changes in the DNA sequence, or mutations, help drive evolutionary change
1. New technology is developed that provides more information about the theory.
2. New experimental methods are designed to test a theory.
3. A single experiment produces results that differ from all previous experiments.
im not sure about #3 but it could be it
