Animal Development
Practice Test
1.
Which of these is formed when a fertilized human egg divides into two cells?
a.
fetus
b.
juvenile
c.
embryo
d.
baby
Hint
2.
What is a waste product produced by the embryo?
a.
chlorophyll
b.
food
c.
oxygen
d.
urea
Hint
3.
In what month of human embryonic development do muscles and bone form?
a.
third
b.
second
c.
fourth
d.
first
Hint
4.
Where does embryonic development take place in frogs?
a.
outside the body
b.
in the uterus
c.
in the ovary
d.
in the stomach
Hint
5.
What does the yolk provide to the embryo inside a bird's egg?
a.
blood
b.
sperm
c.
waste products
d.
food
Hint
6.
What protects the embryo against injury?
a.
stinging-cell animals
b.
drones
c.
amniotic sac
d.
guard cells
Hint
7.
What is a quiet, non-feeding stage that occurs between the larva and adult stages in some insects?
a.
pupa
b.
nymph
c.
larva
d.
fetus
Hint
8.
Which of these is a juvenile animal that looks completely different from the adult?
a.
larva
b.
nymph
c.
egg
d.
pupa
Hint
9.
In what month of human embryonic development are all the body organs present, but not completely formed?
a.
first
b.
third
c.
fourth
d.
second
Hint
10.
In what month of human embryonic development can the mother begin to feel the fetus moving?
a.
first
b.
fourth
c.
second
d.
third
Hint
