The center of consciousness and intelligence is the:
a. medulla oblongata
b. thalamus
c. pons
d. cerebellum
e. cerebrum
e
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Which of the following is associated with striated, multinucleated muscle tissue?
A. cardiac muscle cell B. calmodulin C. skeletal muscle cell D. smooth muscle cell
Cells called ____ are a type of vascular tissue that join end to end in tubelike columns. They develop
thick, lignified cell walls and die at maturity, leaving a water-conducting tube. At maturity the ends of the cells are open or have large openings, allowing for enhanced water flow compared to other types of vascular tissue.
a. sclerenchyma b. tracheids c. collenchyma d. parenchyma e. vessel members
Which system is directly involved with heat
production? a. endocrine system b. nervous system c. muscular system d. respiratory system e. skeletal system
Which one of the following structures is not found in all adult and larval tunicates?
A. gill slits B. pharynx C. notochord D. excurrent siphon E. incurrent siphon