If the egg was fertilized is alive, The kind of egg you get at the grocery store are not alive
In turtles, the heart has two atria and a single ventricle partially divided by a wall of tissue called a septum
In crocodiles, there are two atria and two separate ventricle
Answer:
its either A or D.I remeber learning about this..Hope that helps
Answer:
No
Explanation:
A period is when your body produces a layer of tissue and blood to protect the baby. But the period is when your body is like "oops, false alarm" and disposes of the tissue and blood. During pregnancy, the baby is kept safe by the tissue and blood, that is why women don't have periods during pregnancy.
It is most closely related to popullation.