Chapter 9 Animals Without Backbones: Question Preview (ID: 12627)

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What is an invertebrate animal with pores?
a) vertebrate
b) spicule
c) poriferan
d) echinoderm

What is an invertebrate animal with stinging cells and a hollow central cavity?
a) cnidarian
b) pore
c) arthropod
d) pupa

What is an organism that gets its food by living on or in the body of another organism?
a) spicule
b) cnidarian
c) parasite
d) annelid

What is the thin membrane that covers a mollusk's organs?
a) mantle
b) tube feet
c) radula
d) exoskeleton

What is an animal with an exoskeleton and jointed legs?
a) chitin
b) echinoderm
c) invertebrate
d) arthropod

What is the ability to regrow lost parts?
a) molting
b) regeneration
c) circulation
d) metamorphosis

What is the middle section of an insect's body?
a) abdomen
b) heart
c) head
d) thorax

What is the hearing organ in a grasshopper?
a) radula
b) spiracle
c) tympanum
d) spicule

What is a young insect that looks like the adult?
a) nymph
b) cocoon
c) larva
d) pupa

Which of the following is not a major class of arthropods?
a) mollusks
b) crustaceans
c) insects
d) crustaceans

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