The first cloned vertebrate was Dolly, a sheep, in:
a) 1997.
b) 1962.
c) 2008.
d) 1938.
e) 1889.
Ans: a) 1997.
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Which of the following is an embryonic tissue
that is most recently evolved?
a. mesoderm b. ectoderm c. endoderm d. periderm e. epiderm
Most cephalopods are benthic deposit feeders
Indicate whether the statement is true or false
Which of the following is NOT true of an
apical meristem?
a. the cells are undifferentiated b. it changes position as the plant increases in size c. growth from apical meristems is called primary growth d. it is responsible for the lengthening of the plant e. all of these are true of apical meristems
The human urinary system consists of all of the
following structures EXCEPT
a. urinary bladder. b. urethra. c. two adrenal glands. d. two ureters. e. two kidneys.