Four of the five answers are features of the echinoderms. Select the exception
a. spiny skin
b. decentralized nervous system
c. radial symmetry
d. a water-vascular system
e. a mantle
e
You might also like to view...
In angiosperms, double fertilization produces a trinucleate cell that gives rise to a ____ endosperm and a ____
embryo.
a. haploid; triploid b. triploid; haploid c. triploid; diploid d. diploid; triploid e. diploid; haploid
A mutant soybean plant that is unable to produce leghemoglobin will most likely suffer from ____ deficiency
a. phosphorus b. magnesium c. potassium d. oxygen e. nitrogen
The ____ drives inhalation by stimulating contraction of the diaphragm and intercostal muscles
a. ventral interneuron group b. pons interneuron groups c. carotid bodies d. dorsal respiratory group e. aortic bodies
A young patient presents with a small invagination of the skin on the anterolateral neck, just below the jaw. The CT scan of this patient indicates a cervical (pharyngeal) cyst connected to it. What term describes the invagination?
A. Ectopic thymus B. External Branchial Fistula C. Internal Branchial Fistula D. Pharyngeal Cleft E. Pharyngeal Pouch