WorksheetsIntroduction to Invertebrates
Total questions: 14
Worksheet time: 9mins
Name
Class
Date
1.
1. Symmetry occurs when the organism can be divided into two or more similar parts. What kind of symmetry has many imaginary lines drawn through a central point.
a)
Radial Symmetry
b)
Asymmetrical
c)
Bilateral Symmetry
2.
2. What is an invertebrate with an exoskeleton, segmented body, and pairs of jointed appendages?
a)
flatworm
b)
mollusk
c)
arthropod
d)
echinoderm
3.
3. What is an invertebrate with fluid-filled tubes to move and obtain food and oxygen?
a)
flatworm
b)
mollusk
c)
arthropod
d)
echinoderm
4.
4. What is an animal with one or two hard shells to protect internal organs?
a)
flatworm
b)
mollusk
c)
arthropod
d)
echinoderm
5.
5. What is an asymmetrical animal made of specialized cells without tissues or organs?
a)
sponge
b)
cnidarian
c)
roundworm
d)
segmented worm
6.
6. What is the simplest animal with a brain and digestive system?
a)
sponge
b)
cnidarian
c)
mollusks
d)
worm
7.
7.Which animal below would have bilateral symmetry?
a)
Option 1
b)
Option 2
c)
Option 3
8.
8. What is an invertebrate with stinging cells and a central body cavity?
a)
sponge
b)
cnidarian
c)
roundworm
d)
segmented worm
9.
9. The _________________ is the tough, waterproof outer covering of an arthropod that protects, supports and helps prevent evaporation of water from the body.
a)
endoskeleton
b)
exoskeleton
c)
arthropods
10.
10. Some invertebrates have a a structural support system within the animal called ___________________________.
a)
endoskeleton
b)
exoskeleton
c)
arthropods
11.
I have a soft-body, a hard shell, and live on land and water. What am I?
a)
Mollusk
b)
Arthropod
c)
Echinoderm
d)
Cnidarian
12.
The type of symmetry a butterfly has is ___________.
a)
radial
b)
bilateral
c)
asymmetric (no symmetry)
13.
What type of symmetry does this sea anemone have?
a)
radial
b)
bilateral
c)
asymmetric (no symmetry)
14.
All arthropods have an outside suit of armor called a(n) __________________.
a)
indoskeleton
b)
exoskeleton
c)
vertebrate
d)
invertebrate
100 %
