What types of plants are better adapted to drier climate

Cacti and other succulents can adapt to dry climates. They are able to store water in their leaves, while others store water in the roots or trunks. The waxy cuticle helps prevent water loss.

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.