A cuticle
a. resists water loss.
b. covers epidermal cells.
c. may contain waxes and cutin.
d. resists attack by microorganisms.
e. does all of these
E
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Mechanoreceptors that react to changes in pressure are part of the _____
A) human sense of taste B) pain receptors in birds C) human sense of smell D) lateral line systems in fish E) eyes in arthropods
Winogradsky columns ________.
A. are used in the process of isolating nanobacteria B. are typically used to isolate aquatic protozoa C. are used in the process of isolating aquatic viruses (virioplankton) D. are used as a model system for studying microbial interactions
From what feature are jaws thought to have evolved?
a. pharynx b. vertebrae c. legs d. arms e. gill arches
Which of the following is still found in the ADULT human?
a) series of pharyngeal slits b) dorsal nerve cord c) muscular, post-anal tail d) notochord