Answer:
Directional selection; stabilizing selection
Explanation:
- The stabilizing selection is a result of the decrease of the population and causes genetic variation due to the natural selection.
- The directional selection of the genetic variation shifts to a new phenotype and on exposure to the environmental changes and both of these can lead to the natural selection and contribute to the variation of the population.
Answer:
I think root hair cells and mitochondria
Explanation:
Answer:
B
Explanation:
The state laws argued for "separate but equal schooling". It was found that the separate schools (for Blacks and Whites) were very far from equal, meaning that some of the US Citizens were denied the same liberties others got solely for their skin color.
Answer:
American farmers, who gained millions of acres of land for settlement
Explanation: