6) Clasifique lo siguiente como reproducción sexual o asexual. Dar el tipo específico si Asexual a) Un pequeño trozo de cactus se desprende de la planta, cae al suelo y comienza a crecer

b) El polen de un álamo macho fertiliza las células sexuales de un álamo hembra

c) Dos lombrices de tierra producen cada una esperma y óvulos y se fertilizan entre sí.

d) Un gusano plano se corta por la mitad y se convierte en dos gusanos planos

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

it should be briana that has it to me

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?