Chapter 10:
Animal Growth and Development
Practice Test
1.
What is the process in which embryonic cells divide, and some become different than others?
a.
fertilization
b.
development
c.
cleavage
d.
differentiation
Hint
2.
What is the process in early animal development in which cells divide rapidly without growth?
a.
morphogenesis
b.
segmentation
c.
differentiation
d.
cleavage
Hint
3.
What is the process in which one embryonic tissue influences another, causing the second tissue to specialize?
a.
segmentation
b.
embryonic induction
c.
metamorphosis
d.
morphogenesis
Hint
4.
What substance in an egg cell is an energy-rich collection of lipids, proteins, and other materials?
a.
the flagellum
b.
the ectoderm
c.
the yolk
d.
the morula
Hint
5.
What is the tube that will form the brain, spinal cord, and nerves?
a.
neural tube
b.
mesoderm
c.
endoderm
d.
notochord
Hint
6.
Which cell layer of the gastrula differentiates into the skeleton, muscles, and internal organs?
a.
endoderm
b.
dermis
c.
mesoderm
d.
ectoderm
Hint
7.
What function do tough, thin, flat skin cells have?
a.
digest food to provide nutrients to the body
b.
protect the body
c.
transmit information to other parts of the body
d.
move the body
Hint
8.
What forms when the embryo has three layers of cells?
a.
notochord
b.
morula
c.
blastula
d.
gastrula
Hint
9.
What is a 5-day-old embryo of a human called?
a.
blastocyst
b.
blastula
c.
morula
d.
gastrula
Hint
10.
What is the period of development during which differentiated cells organize to form tissues and organs?
a.
cleavage
b.
morphogenesis
c.
growth
d.
segmentation
Hint
