Introduction to Animals
Practice Test
1.
Because sponges live in one place for their entire life, they are called __________.
a.
sessile
b.
migratory
c.
omnivores
d.
vertebrates
Hint
2.
Worms have soft bodies and __________.
a.
have bilateral symmetry
b.
do not reproduce
c.
are vertebrates
d.
are sessile
Hint
3.
Which group do roundworms belong to?
a.
cnidarians
b.
planarians
c.
sponges
d.
nematodes
Hint
4.
A coloring or marking that helps an animal hide from its predators is called __________.
a.
camouflage
b.
adolescence
c.
reproduction
d.
digestion
Hint
5.
__________ are small openings found in a sponge's body.
a.
Moles
b.
Stripes
c.
Pores
d.
Backbones
Hint
6.
Sea stars and sponges also can reproduce through __________.
a.
photosynthesis
b.
regeneration
c.
spicules
d.
tentacles
Hint
7.
Which one of these is NOT used as a defense against predators?
a.
a skunk's pungent spray
b.
a squid's cloud of ink
c.
a turtle's hard shell
d.
a forest rabbit's white fur
Hint
8.
A sea star has which type of body-part arrangement?
a.
asymmetry
b.
bilateral symmetry
c.
radial symmetry
d.
horizontal symmetry
Hint
9.
Which of these animals has bilateral symmetry?
a.
a sea urchin
b.
a sponge
c.
a jellyfish
d.
a tiger
Hint
10.
Some cnidarians can stun their prey to obtain food. They are considered to be __________.
a.
scavengers
b.
predators
c.
herbivores
d.
asymmetrical
Hint
11.
The system of nerve cells in cnidarians is called __________.
a.
camouflage
b.
flukes
c.
a nerve net
d.
a shell
Hint
12.
Most sponge species are examples of __________.
a.
plants
b.
predators
c.
herbivores
d.
hermaphrodites
Hint
13.
Animals with backbones are called __________.
a.
sponges
b.
invertebrates
c.
vertebrates
d.
scavengers
Hint
14.
Which of these eats only the remains of other animals?
a.
amphibians
b.
omnivores
c.
lampreys
d.
scavengers
Hint
15.
A tapeworm grows by __________.
a.
adding new body segments
b.
building up its spongin
c.
growing tentacles
d.
regenerating broken limbs
Hint
16.
The most common disease spread by flukes affects a human's __________.
a.
blood
b.
teeth
c.
hair
d.
hearing
Hint
17.
Which of these is true of animals?
a.
All animals eat plants and other animals.
b.
Some animals eat other animals.
c.
A few animals make their own food.
d.
No animals eat plants.
Hint
18.
Which of these is a cnidarian body type?
a.
exoskeleton
b.
medusa
c.
bilateral symmetry
d.
hollow tube
Hint
19.
Most sponges are __________.
a.
females
b.
asymmetrical
c.
vertebrates
d.
carnivores
Hint
20.
Bears, raccoons, and robins are __________.
a.
herbivores
b.
hermaphrodites
c.
omnivores
d.
parasites
Hint
