Immunity that results from antibodies that pass the placenta from mother to fetus is called immunity. select one: a. auto b. active c. natural passive d. innate

The correct answer is C. Natural passive immunity

Explanation:

The word "immunity" refers to the defenses organism have to respond to diseases, infection or harmful microorganism, which guarantees the organism survives. This immunity can be classified into innate when it is linked to the gene of the organism, as adaptative when it is developed due to the contact of a harmful agent or as natural passive when it is transferred from an individual to other which often occurs as antibodies are transferred through from the mother to the fetus. Considering this, the type of immunity that results from antibodies that pass the placenta from mother to fetus is the natural passive immunity.

it has one origin of replication, but it proceeds in two directions - d)

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.