In the human body, the is a muscular membrane that separates the thoracic cavity from the abdominal cavity.
a. epiglottis
b. bolus
c. esophagus
d. diaphragm

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids

The pronunciation aid that determines the stress placed upon a syllable is the