The transfer of antibodies from a mother to the fetus. This occurs naturally, and since it is the transfer of antibodies, it is passive immunity.
Answer: a. endoderm-bone
Explanation: In the context of embryonic development, bone tissue may arise from several precursor cell populations, such as the neural crest (some facial bones), lateral mesoderm (bones of the limbs, among others), and paraxial mesoderm (vertebrae and part of the skull). There is no evidence to suggest that any of the bony structures is derived from the endoderm germ layer.
Because it was old and irlt would be more stronger?????
Answer:
Power has to travel a long distance over power lines to reach cities. Because there is no power plants.
Explanation:
Please tell me if I am wrong! good luck!
1, O because if either shows present it's O.
