Respond to statements 108–112 with reference to the five terms
listed below.
a. zygote
b. blastula
c. cleavage
d. gastrula
e. somites
M 108. This stage appears as a multicell, fluid-filled ball.
E 109. This is the fertilized egg.
D 110. This is the division of the zygote.
D 111. Its cellular descendents give rise to all tissue and
organs.
D 112. This is a longitudinal series of paired segments.
Answers: 108. b, 109. a, 110. c, 111. d, 112. e
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