What does it mean when the homeobox genes are said to be highly conserved?

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

What process creates gametes? a.fertilization b.mitosis c.meiosis