-5. Passive immunity involves introduction of weakened or dead pathogens in to the body which stimulates the body to produce its own antibodies
True or false?

Explanation:

answer is Tonly 4 certain ailments, like your bro., had chickenpox, then you got sick..or u get your shots when u are a baby...

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.