A coelom is a fluid-filled body cavity completely lined with
a. ectoderm.
b. endoderm.
c. mesoderm. Correct Answer c. mesoderm.
A single layer of flat epithelial cells is called
a. simple squamous.
b. simple cuboidal.
c. simple columnar.
d. stratified squamous. Correct Answer a. simple squamous.
All bilateral animals are protostomes.
a. True
b. False Correct Answer b. False
Arteries carry blood away from the heart.
a. True
b. False Correct Answer a. True
During embryonic development of deuterostomes, the mouth
forms first.
a. True
b. False Correct Answer b. False
Indicate the correct order of respiratory structures beginning at
the trachea.
a. bronchioles, bronchi, alveoli
b. bronchi, bronchioles, alveoli
c. alveoli, bronchioles, bronchi
, d. bronchioles, alveoli, bronchi Correct Answer b. bronchi,
bronchioles, alveoli
Integration is carried out by the ______ nervous system.
a. central
b. peripheral Correct Answer a. central
Mammals typically have ____ urethra(s).
a. one
b. two
c. three
d. four Correct Answer a. one
Pepsinogen is produced in the
a. pancreas.
b. liver.
c. stomach
d. colon. Correct Answer c. stomach
Phylum Annelida Correct Answer earthworms, bilateral
symmetry, triploblastic, coelomate, segmentation; separated by
septa
Phylum Arthropoda Correct Answer insects, crustaceans,
bilateral symmetry, triploblastic, coloemate, undergo ecdysis,
chitinous exoskeleton, carapace
Phylum Chordata Correct Answer mammals, bilateral
symmetry, tripoloblastic, coloemate, hollow nerve cord,
pharyngeal slits, postanal tail