Tennessee Science Grade 7

Chapter 5: Animals

Animals

1
What term refers to the arrangement of the individual parts of an object that can be divided into similar halves?
A)symmetry
B)asymmetry
C)ectoderm
D)endoderm
2
Animals are made up of many different kinds of _______.
A)antiboitics
B)cells
C)muscles
D)organs
3
Radial symmetry is common in which group of invertebrates?
A)echinoderms
B)annelids
C)mollusks
D)arthropods
4
Which is NOT a characteristic of animals?
A)are many-celled
B)use energy
C)make their own food
D)have eukaryotic cells
5
Which is NOT an invertebrate animal group?
A)arthropods
B)cnidarians
C)sponges
D)chordates
6
What is the estimated percentage of animals that are invertebrates?
A)97 percent
B)50 percent
C)20 percent
D)3 percent
7
Which of the following groups of animals have an exoskeleton?
A)earthworms
B)insects
C)sea stars
D)flatworms
8
Which of these organisms has a closed circulatory system?
A)bird
B)snail
C)oyster
D)sponge
9
What stages are common to both complete metamorphosis and incomplete metamorphosis?
A)larva and nymph
B)adult and egg
C)egg and pupa
D)molt and egg
10
Many kinds of animals can be recognized by one or more distinguishing characteristics. Which is a characteristic of all echinoderms?
A)two pairs of antennae
B)move through the water by jet propulsion
C)spiny skin
D)many setae along the sides of their bodies
11
What is the main difference between an open circulatory system and a closed circulatory system?
A)A closed circulatory system contains blood inside vessels.
B)A closed circulatory system does not carry oxygen.
C)Humans have an open circulatory system.
D)An open circulatory system is used only by land animals.
12
_______ are structures such as claws, legs, and antennae that grow from the body.
A)Exoskeletons
B)Membranes
C)Appendages
D)Organs
13
Lungs and moist skin are characteristics of which of the following vertebrates?
A)amphibians
B)fish
C)reptiles
D)lizards
14
Which of the following animals eat only plant materials?
A)carnivores
B)herbivores
C)omnivores
D)endotherms
15
How do contour feathers protect birds?
A)Contour feathers can trap in warm air.
B)Contour feathers protect chicks.
C)Contour feathers can provide camouflage.
D)Contour feathers provide nutrients.
16
Which of the following is an adaption that helps a bird fly?
A)lightweight bones
B)webbed feet
C)hard-shelled eggs
D)large beaks
17
Which of the following animals has skin without scales?
A)lizard
B)snake
C)dolphin
D)fish
18
The oppossum is the only _______ that lives in North America.
A)marsupial
B)monotreme
C)placental
D)herbivore
19
What are the two functions of a reptile's skin?
A)reduce water loss and help prevent injury
B)conserve energy and attracting mates
C)maintain body temperature and water loss
D)absorb water and nutrients
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