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Vertebrates
Test Description: Reviews all classes of Phylum Chordata from Fish to Mammals
Instructions: Answer all questions to get your test result.
1) How do vertebrates differ from invertebrates?
A
They use external fertilization
B
They have gills
C
They have tissues & organs
D
They have a backbone
2) Which class of vertebrates has a cartilaginous skeleton?
A
Osteichthyes
B
Amphibia
C
Chondrichthyes
D
Reptilia
3) Which of the following vertebrate groups uses external fertilization?
A
Amphibia
B
Both A & B
C
Osteichthyes
D
None of the above
4) Which vertebrate class has hair & feeds young with milk?
A
Aves
B
Mammalia
C
Reptilia
D
Amphibia
5) Which vertebrate class lays amniotic eggs with a leathery shell?
A
Aves
B
Osteichthyes
C
Amphibia
D
Reptilia
6) Which mammal group lays eggs?
A
Placentals
B
Monotremes
C
None of the above
D
Marsupials
7) Which vertebrate class has thin, moist skin & lays eggs with no shell?
A
Amphibia
B
Chondrichthyes
C
Reptilia
D
Osteichthyes
8) Which vertebrate group has a 4-chambered heart, hollow bones, & lays amniotic eggs w/ a hard shell?
A
Reptilia
B
Amphibia
C
Mammalia
D
Aves
9) What is the advantage of an amniotic egg?
A
Both A & B
B
Provides developing embryo with a food source
C
Water is not required for young to develop
D
None of the above
10) How are amphibians similar to fish?
A
eggs are fertilized externally
B
young use gills to breathe
C
eggs have no shell
D
All of the above
*select an answer for all questions
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