The embryonic development of animals suggests an order of relation between humans and other animals; some animals being more closely related to humans than the others. Compare the embryos of the salamander, chicken, and monkey to that of the human .

What statements about the embryos are true? Check all that apply.

A. All four animals begin as fertilized eggs.

B. The salamander and the chicken do not have an umbilical cord.

C. Only the fish has ancestral gill slits.

D. All four have identical limb buds.

E. Only the chicken will develop a shell breaker.

i'm pretty sure it's spores

you know that this symptom is misleading and quite often is related to: heart attack

a heart attack is a condition that occurs when the blood flow that transports oxygen to the heart muscle is damaged or cut off completely. the coronary arteries that supply the heart muscle with blood flow can be blocked by the accumulation of plaque. also, when the plaque within the heart artery breaks, it creates blood clot that can also hinder the blood flow. men that are over 45years of age and women that are over 55years of age are at risk of having a heart attack. the symptoms of a heart attack include chest discomfort, chest pain, coughing, and shortness of breath.