Which of the following statements with respect to animals is correct?
A) In animals, anatomy and functional properties played a small role in their evolutionary success.
B) In animals, the ability to digest cellulose depends on symbiotic organisms.
C) There are few differences in metabolic rates among animals.
D) B and C
Answer: B
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During embryonic development, the first portion of the ear to develop is the
a) middle ear. b) internal ear. c) external ear. d) bony labyrinth. e) membranous labyrinth.
A human female is born with as many as two million follicles.
a. true b. false
The epithelium of a bile duct typically can be classified as:
a. Pseudostratified columnar epithelium b. Simple cuboidal epithelium c. Simple squamous epithelium d. Stratified squamous epithelium e. Transitional epithelium
A proper definition of muscle tone is
A. constant tension produced by muscles for long periods of time. B. a feeling of well-being following exercise. C. the ability of a muscle to maintain a contraction against an outside force. D. muscles contracting together. E. warm-up of muscle tissue.