Answer:
Genetic, geographic & cultural factors that cause sickle-cell anemia. It is important to note that even genetic diseases are caused by multiple social, environmental and biological factors. This is particularly true in the case of sickle-cell anemia, a genetically inherited blood disorder usually found in people with West African ancestry (PBS 2001).
An invasive species, such as the trees in your question, could:
- Out compete the native flora for resources, such as nutrients.
- An earlier reproductive and faster growing cycle could quickly surpass native tree growth.
- This alien species taking the place of native trees could disrupt the habitat of animal species that need the native flora instead.
Answer:
B. Having malaria will begin to give immunity to sickle cell anemia as well.
Explanation:
Malaria is one of the common disease caused by mosquitoes. It is believed that sickle cell disease gets deadly when malaria happens to the person. Sickle cell disorder is the reduction in healthy red blood cells which can carry oxygen throughout the body.
Answer:
The increase in the reproductive success of a species will have the greatest impact on the prey of the animal.
Explanation:
The prey's population will decrease because there are more animals needing it to survive.
