1. Vertebrates Test
WITH ANSWERS
Use this for practice.

2. Which animal on this page is able to produce milk for its young?1
Whales are mammals. Mammals produce milk. Other vertebrates do not produce milk.
Fish
A B
Bird
Reptile
C D

3. Which of the organisms on this page are cold-blooded (ectothermic)?2
salamander
Fish
Amphibian
A B
Birds and mammals are warm-blooded. All other vertebrates are cold blooded.
C D
Reptile

4. Which of the animals on this page must lay their eggs on land (which includes in trees or ledges)?3
(Sea snake)
A B
ALL reptiles lay eggs on land. These two are reptiles.
All amphibians lay eggs in water. This is an amphibian.
C D

5. Which of the animals on this page are able to absorb oxygen through their skin?4
A B
C D
Amphibians are able to absorb oxygen through their skin. A, B, and C are amphibians. D is a reptile.

6. Which animal on this page is a different order of vertebrate from all the others?5
Grizzly Vampire Bat Harbor Seal
Sharks are fish. Everything else on this page is a mammal.
Chimpanzee Manatee Tiger Shark
Dolphin Chipmunk Finback whale

7. Which animal on this page is a different order of vertebrate from all the others?6
A B
Killer Whales are mammals. Sharks are fish.
Orca (Killer Whale) Hammerhead Shark
C D
Oceanic Whitetip Shark Gray Reef Shark

8. Which animal on this page is a different order of vertebrate from all the others?7
Salamanders are amphibians. Everything else on this page is a reptile.
Marbled Salamander Iguana Caiman
Sea Turtle Coral Snake Gopher Tortoise

9. Which animal on this page is a different order of vertebrate from all the others?8
A B
Lizards are reptiles. Everything else on this page is an amphibian.
C D

10. Which of the organisms on this page have skeletons of cartilage rather than bone?9
Sharks and rays have skeletons of cartilage. All other vertebrates have skeletons primarily of bone.
A B
C D

11. A B Which one of these organisms is NOT a type of marsupial? 10 C D
Rabbits are mammals, but not marsupials. They do not have pouches for their young.
C D

12. A B 11 Which of the images below could be the eggs of this organism?
Alligator (reptile) eggs.
Bird eggs
A B
Turtle (reptile) eggs.
Amphibian eggs.
C D

13. A B Which of these organisms has offspring that look like this? 12 C D
Tadpoles are the immature form of frogs and toads. 12
A B
C D

14. What is the function of the structure located under the black band indicated by the arrows?13
The lateral line detects vibrations in the water.

15. Which of these organisms has special structures that allow it to absorb oxygen from water?
I am a mammal. All mammals have lungs.
I am a reptile. All reptiles have lungs. 14
A B
I am a reptile. All reptiles have lungs.
I am a FISH. Fish have special structures called GILLS that allow them to absorb oxygen from water.
C D

16. Which of these organisms went through a period of gestation rather than incubation?15
A B
I hatched from an egg. Incubation refers to the development of the young inside an egg.
Gestation is the development of young inside the female.
I hatched from an egg. Incubation refers to the development of the young inside an egg.
I hatched from an egg. Incubation refers to the development of the young inside an egg.
C D

17. The End