¿Dónde tiene sede la OMS y cuáles son los países que la integran?

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Why do oceanic plates tend to subduction when colliding with a continental plate

Which direction does the energy flow in this energy pyramid ?