Which of these events occurs normally in swallowing?
A) The larynx rises.
B) The epiglottis rises.
C) The bolus rises.
D) The esophagus closes.
A
You might also like to view...
An experimental setup is shown below. Which hypothesis would most likely be tested using this setup?
A) Light is needed for the process of reproduction.
B) Glucose is not synthesized by plants in the dark.
C) Protein synthesis takes place in leaves.
D) Plants need fertilizers for proper growth.
Systematists use phylogenetic trees to graphically represent hypothesized evolutionary relationships among
organisms. _____________________ Indicate whether the statement is true or false.
Which of the following levels of organization includes all of the others?
A. Population B. Ecosystem C. Community D. Organism E. Habitat
The outer boundaries of Miller and Urey's laboratory-created vesicles are most similar to
A) complete cells. B) cell membranes. C) bacteria. D) amino acids. E) RNA.