Besides chlorophyll what pigments are found in leaves

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

What are the student's observations and inferences before he starts his investigation?

Wich level of organization includes all the other levels or organizations