Sickle cell disease has a benefit in malaria infection because it makes the parasites easier to eliminate. This makes a person with sickle cell disease is more likely to survive the malaria infection, which found many in Africa.
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Sickle cell disease has a few drawbacks because it makes the red blood cells less durable, which lead to the destruction of more red blood cells. In normal condition(where malaria doesn't exist like in America), this gene will make the organism less likely to survive than those who don't have the gene.</span>
Answer:
flower is the part of a plant that is bright in colour and provides the pollen that is moved from plant to plant for pollination
Answer:
They both can be constructive forces.
Both volcano's and wind can shape the landscape... volcano's using eruptions and lava, wind using wind erosion when it gets "windy"
Answer:
B
Explanation:
Energy decreases as it moves up the levels.
