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WorksheetsLesson 3 Invertebrates
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
Scientists have named more than a ________ species of invertebrates.
a)
hundred
b)
thousand
c)
billion
d)
million
2.
What is an animal without a backbone called?
a)
vertebrate
b)
invertebrate
c)
mammal
d)
snake
3.
Most animals on earth are Invertebrates.
a)
TRUE
b)
FALSE
4.
________ are the largest invertebrates.
a)
Giant squids
b)
Blue whales
c)
Flies
d)
Penguins
5.
A ______________ has a soft body without bones.
a)
vertebrate
b)
mammal
c)
mollusk
d)
bird
6.
Some mollusks get oxygen by using ___________.
a)
gills
b)
lungs
c)
book lungs
d)
nose
7.
Which worms can live in water or on land?
a)
earthworms
b)
flatworms
c)
roundworms
d)
parasites
8.
Worms can be microscopic.
a)
TRUE
b)
FALSE
9.
What phylum does the jellyfish belong to?
a)
annelids
b)
arthropods
c)
mollusks
d)
cnidarians
10.
What is NOT an example of an arthropod?
a)
insect
b)
clam
c)
lobster
d)
spider
11.
Spiders breathe with organs called ____________.
a)
lungs
b)
gills
c)
book lungs
d)
tubes
12.
What is used to identify an unknown organism?
a)
dichotomous key
b)
magnifying glass
c)
encyclopedia
d)
internet
13.
A life cycle that includes a BIG change is called a ______________________.
a)
complete changling
b)
incomplete metamorphosis
c)
complete metamorphosis
d)
incomplete growth
14.
Grasshoppers have a life cycle that involves __________________. They are born looking very much like an adult grasshopper.
a)
complete changling
b)
incomplete metamorphosis
c)
complete metamorphosis
d)
complete growth
15.
Animals WITH backbones are called _________.
a)
invertebrates
b)
vertebrates
c)
arthopods
d)
mollusks
16.
Earthworms are _________________ worms.
a)
small
b)
flat
c)
segmented
d)
round
17.
An _______ appears at the first stage of of complete metamorphosis.
a)
egg
b)
butterfly
c)
chrysalis
d)
pupa
18.
Jellyfish and coral belong to the same phylum.
a)
TRUE
b)
FALSE
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