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:
B. She could have a higher risk of skeletal fractures.
Explanation:
Calcium is one of the minerals essential for the human body. It improves bone strength and firmness as well as affects good tooth and nail health. Doctor tells Lisa that she needs to use calcium and eat more foods with it as a preventative to avoid unnecessary bone problems later in her life.
In addition to calcium having a good effect on the bones, it is also less known to have a good effect on the nerves.
Foods that contain a lot of calcium:
- milk
- cereals
- southern fruits
- fish
- vegetables
- mushrooms
- fruits, etc.
Answer:Fault-block mountains
Explanation: Fault-block mountains are formed by the movement of large crustal blocks when forces in the Earth's crust pull it apart. Some parts of the Earth are pushed upward and others collapse down
They faces serious attacks by the indians and sometimes from disease that spread from person to person and sometimes killed whole settlements.
There were also accidents and the fear from drowning in the river.
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