Name
Chordate Mini-Test
True/False
Fill-in “A” for true and “B” for false.
1.
2.
3.
4.
5.
6.
7.
There are approximately 650,000 species of Chordates.
Phylum Chordata members include spiders, ticks, lobsters and fish.
Chordates have an endoskeleton.
Chordates do not have bilateral symmetry; instead they have radial symmetry.
The presence of a notochord is a characteristic all chordates share.
Chordates live in all ecosystems throughout the world.
Chordates do not have paired appendages.
Classification
Fill-in “A” for Vertebrata, “B” for Urochordata, “C” for Cephalochordata.
8. Examples include tunicates.
13. Animals in this group are grouped here
9. Examples include fish, mammals.
because of their skull region
10. Examples include lancelets.
14. These are all free living, swimming animals
11. The largest and most diverse chordate
15. These animals are hermaphroditic
subphylum
16. Examples include reptiles, amphibians
12. Found in all sea areas (shoreline to great
depths)
Completion
Complete the sentences/phrases below using the word bank below.
A. Notochord
E. Open
B. Liver
AB. Thyroid
C. Cephalization
AC. Three
D. Closed
AD. Two
AE. Post-anal tail
BC.Exotherms
BD. Endotherms
BE. Coelom
17. In Chordates, the nervous system is concentrated towards the head region. This is
otherwise known as
.
18. Chordates have an
circulatory system.
19. All chordates have this gland, which is a part of the endocrine system.
20. The
is a skeletal rod made of body cells and is found in all chordates
21. All chordates have
germ layers.
22. The
is used for propulsion in chordates.
23.
regulate their body temperature using internal body processes.
24.
regulate their body temperature by using the outside
environment.
25. This term refers to animals who have a body system organization that is otherwise known
as “tube within a tube.”
Name
Animal Picture Identification
Identify each animal below as:
A. Tunicate
B. Lancelet
C. Vertebrate
26.
27.
28.
29.
30.
Per.