Explanation:
B is absolutely correct answer.
Tres elementos de la biodiversidad. La diversidad de espacios incluye los ecosistemas como núcleo central. Éstos son conjuntos dinámicos de plantas, hongos, animales, microorganismos y el medio físico que los rodea, interactuando como una unidad funcional; por eso se les denomina «ecosistemas».
Gregor Mendel, in full Gregor Johann Mendel, original name (until 1843) Johann Mendel, (born July 22, 1822, Heinzendorf, Silesia, Austrian Empire [now Hynčice, Czech Republic]—died January 6, 1884, Brünn, Austria-Hungary [now Brno, Czech Republic]), botanist, teacher, and Augustinian prelate, the first person to lay the mathematical foundation of the science of genetics, in what came to be called Mendelism.
The most common pathogen then carry is protozoa , that causes malaria
First, the yellow fever virus is phagocytosed by white blood cells. The phagocytosed white blood cell then travel through the lymph vessel. Since lymph node contain white blood and filter lymph, the yellow fever phagocytosed with white blood cell establish in the lymph node.
