1.What is the germ spot on a fertilized or non fertilized poultry egg called? 2. What are the four membranes essential for growth of the chick embryo?  3. What is the term for a group of organs that...

1.What is the germ spot on a fertilized or non fertilized poultry egg called? 2. What are the four membranes essential for growth of the chick embryo?  3. What is the term for a group of organs that function together to accomplish a larger general function?4. What are the two functions of the skeletal system? 5. What are the three types of muscle tissue?

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