Librería Samer Atenea
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
The relatively more motile major phyletics have evolved more toward species diversity, while the relatively low motile or sessile minor phyletics have gone for more phylum diversity. Interestingly, the non-motile plants and microbes have also moved toward strain/racial diversity within a species rather than species diversity.