Which of the following does not pertain to helminths?
A. parasitic worms
B. eggs and sperm for reproduction
C. in kingdom Protista
D. have various organ systems
E. often alternate hosts in complex life cycles
Answer: C
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Openings in leaves through which gases enter and exit are called:
a. mesophylls b. xylems c. rubiscos d. stomata e. phloems
The chief scientist on the HMS Challenger expedition was:
a. Charles Darwin. b. Victor Hensen. c. Alexander Aggasiz. d. Charles Wyville Thomas. e. Edward Forbes.
The regulation of milk release, water balance and uterine contractions during childbirth are mediated
by the ____ gland.
a. parathyroid b. pineal c. anterior pituitary d. posterior thyroid e. posterior pituitary
Which of the following diseases is transmitted by the bite of human body lice?
A) bubonic plague B) tularemia C) Pontiac fever D) trench fever E) brucellosis