Answer: homologous structures are inherited from a common ancestor.
Explanation:
According to comparative morphology, homologous structures are inherited from a common ancestor. They also show similar pattern in in their embryological development.
Homologous structures are the similar structures due to shared ancestry. The organism with homologous structures are all the descendants of a common ancestor.
It was 19 kilometers deep
Answer: There is currently no cure for hemophilia.
Effective treatments do exist, but they are expensive and involve lifelong injections several times per week to prevent bleeding.The best way to treat hemophilia is to replace the missing blood clotting factor so that the blood can clot properly. This is typically done by injecting treatment products, called clotting factor concentrates, into a person's vein.
An oil spill from a tanker is an example of point-source pollution.