Which bones do not differ between males and females of similar sizes?
A) mandibles
B) temporal bones
C) vertebral columns
D) frontal bones
C
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Archaea have a unique form of conjugation involving cytoplasmic bridges for bidirectional transfer of DNA
Indicate whether the statement is true or false.
Most males born with an extra Y chromosome
A) die shortly before or after birth. B) are violent and anti-social. C) are tall but are otherwise normal. D) are phenotypically female.
Biological magnification refers to the
a. increase in size of animals as they progress through a food chain. b. increase in size of organisms as they progress through ecological succession. c. increase in the efficiency of energy utilization as organisms progress through a food chain. d. accumulation of toxic pollutants as animals pass through a food chain. e. growth of organ size within organisms.
Which of the following is NOT and event of the ovarian cycle?
a) FSH promotes the development of a follicle b) the endometrium thickens c) the corpus luetum secretes progesterone d) ovulation of an egg occurs