Tennessee Science Grade 7

Section 2: Invertebrate Animals

Self-Check Quiz - English

1
Which of the following groups of animals have an exoskeleton?
A)earthworms
B)insects
C)sea stars
D)flatworms
2
Which of these organisms has a closed circulatory system?
A)bird
B)snail
C)oyster
D)sponge
3
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
4
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
5
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.
6
_______ are structures such as claws, legs, and antennae that grow from the body.
A)Exoskeletons
B)Membranes
C)Appendages
D)Organs
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