explique Porque el patrón de extremidades de un hueso dos huesos muchos huesos de dos importantes para explicar el origen de los tetrapados​

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.

It would be the equator.

Mitosis is one and the other is metoisis 

The reactants are co_{2} aka carbon dioxide and h_{2}o aka water along with light energy