Exocrine glands do not
a release their products into ducts
b. empty into a surface or cavity
c. stimulate receptors in target cells
d. all of the above are characteristics of exocrine glands

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

Does the sun release radiant energy?

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation