What are 3 types of molecules that are common antigens recognized by the adaptive immune system?

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity