B contraction :) it's a basic function of all muscles.
Answer:
adaptations are compromises
Explanation:
The pleiotropic gene involved in sickle-cell anemia is an example of heterozygous advantage. This means that the heterozygous genotype is favourale over other two genotypes (recessive homozygous and dominant homozygous). Eventhough it has harmful effect (sickle cell disease carrier) heterozygous genotype enables resistance to infection (malaria) and that is why this genotype is still favourable by natural selection. This phenomenon is evidence of compromise between harmful ad benefit.
The answer is D.) Some environmental change has happened that favors the red flowers. The reason is, this is the most logical answer, the other are close, but D.) makes the most sense.
The digestive system helps to B) break down food.
Hope this helps! :)
Answer:
epicentre is the odd one out
Explanation:
it is not part of the earths layers