Amammal whose young develop inside the mother is known as a(n)
a.
marsupial
c.
monotreme
b.
placental mammal
d.
internally developing mammal

format change of dna.  

it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation:

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

the answer is c. altitude. hope this ! #brainiac