Answer:1..Binomial System
2..genus and species
Explanation:
A. endoskeleton
Endoskeleton is not a characteristic of Arthropods that has attributed to their diversity and success. Endoskeleton is defined as inner characteristics of the skeletal feature of an organisms such as bears, humans, fish and etc.
Exoskeleton on the other hand is the trait by which arthropods posses. It is skeletal feature that is described outside or is extrinsic, this is evident as crabs have their skeletons outside of their body.
Phillip is the father as the baby has a heterozygous blood type B which is IBI in order for this to have happened the IB part would have came from the baby’s mom and the I or blood type O part would have came from the baby’s dad. However because blood type O is recessive blood type B is dominant and is show.