Which of the following is NOT a part of Darwin’s theory of natural selection? a. individuals in a population vary
b. organisms tend to over-reproduce themselves
c. there are limited resources for which individuals compete
e. variations possessed by individuals of a population are inherited
d. modifications an organism acquires during its lifetime are passed to its offspring

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.