Does anyone know what kind of dog breed is this?

What must be true for natural selection to heppen

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 best describes the dropping height of a ball that bounces back up to a height of 45 cm