Molluks, Arthropods, And Echinoderms Question Preview (ID: 41416)
6th Grade- Chapter 2.
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A squid is an example of a(n)
a) arachnid
b) cephalopod
c) octopus
d) bivalve
In complete metamorphosis, an insect goes through all of the following stages except
a) larva
b) nymph
c) pupa
d) adult
Crustaceans are the only arthropods that have
a) two body sections
b) appendages
c) two pairs of antennae
d) an exoskeleton
Which of the following is not a characteristic of mollusks?
a) they have a mantle
b) they are invertebrates
c) they have radial symmetry
d) they have gills
Spiders, ticks, and scorpions are all
a) gastropods
b) parasites
c) arthropods
d) herbivores
Which of the following is not a body section of an insect?
a) thorax
b) radula
c) abdomen
d) head
Which of the following is not a way in which mollusks gather food?
a) using tube feet to pry apart bivalves
b) using tentacles to detect and grab prey
c) using radulas to collect food
d) using gills to collect food
If an animal has one pair of antennae and six legs, it could be a(n)
a) insect
b) arachnid
c) octopus
d) crustacean
A mollusk’s ________________________ covers its internal organs and produces its shell if it has one.
a) pearl
b) foot
c) mantle
d) circulatory system
During gradual metamorphosis, an egg hatches into a stage called a ________________________.
a) larva
b) pupa
c) nymph
d) adult
The skin of most echinoderms is supported by a spiny internal skeleton, called a(n) ________________________.
a) exoskeleton
b) endoskeleton
c) radial symmetry
d) bumpy plates
T or F: If a mollusk has two shells, it is a gastropod
a) True
b) False
c)
d)
T or F: The wings of an insect are attached to its abdomen
a) True
b) False
c)
d)
T or F: Tube feet, which most echinoderms use to grasp objects, move around, and catch food, are part of the circulatory system.
a) True
b) False
c)
d)
T or F: An echinoderm has radial symmetry.
a) True
b) False
c)
d)
How many shells do gastropods have
a) one or none
b) two
c) always no shell
d) only one shell inside of their bodies
egg--nymph--adult are the stages in which kind of metamorphosis?
a) gradual
b) complete
c)
d)
if you saw an animal with 3 body segments, 2 pairs of wings, 6 legs, and one pair of antennae..what would you classify it as?
a) arthropod
b) insect
c) echinoderm
d) crustacean
which is the correct order for complete metamorphosis?
a) egg--nymph--pupa--adult
b) egg--larva--pupa--adult
c) egg--pupa--larva--adult
d) egg-larva--adult--pupa
when an arthropod gets rid of its old shell and grows a new bigger one, this process is called
a) growing
b) shedding
c) molting
d) hatching
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