Answer: the mantle B
Explanation: Largest layer resulting in biggest mass.
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.
Incomplete dominance is when one allele is not completely dominant over the other (blend in), and codominance is when both alleles affect the phenotype(appearance)
Example of incomplete dominance: a red flower mates with a with flower and makes an pink offspring
Example of codominance: a brown cow mates with a with cow and the offspring being with and brown polkadots
The organism that was most likely to live at the same time as brachiopods were
Trilobites