Algunos lugares concentran la mayor diversidad del planeta, ¿crees que estos puntos de alta diversidad siempre han sido los mismos a lo largo de la historia de la Tierra? Explique con sus propias palabras

What is the phylum of soft bodied animals with a true bosy cavity and a three part body consisting of a foot visceral mass and a mantle

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?