Life Science

Chapter 12: Introduction to Animals

Introduction to Animals

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