Which of these is one of the only two mammals that lay eggs
a: duck-billed platypus
b: wombat
c: three-toed sloth
d: chicken

As a small change in a person's dna can cause a genetic disorder

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

Where can a dna be found in a prokaryotic cell