Which statement describes all primary producers? a. all make energy-rich compounds that can be used by other organisms. b. all make their own food using the energy of compounds in the environment. c. all take in energy-rich compounds that were made by other organisms. d. all make their own food using the energy of sunlight.

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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.