Cold blooded vertebrates

Question 1

An animal that has a backbone

Answer 1

Vertebrate

Question 2

An animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperature.

Answer 2

Endotherm

Question 3

An organism that needs sources of heat outside of itself

Answer 3

Ectotherm

Question 4

A faint line visible on both sides of a fish’s body that runs the length of the body and marks the location of sense organs that detect vibrations in water.

Answer 4

Lateral line

Question 5

A respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood

Answer 5

Gill

Question 6

Hagfish and Lampreys

Answer 6

Examples of jawless fishes:

Question 7

Skates, stingray, and hammerhead

Answer 7

Examples of cartilaginous fishes

Question 8

Masked butterfly fish and pikes

Answer 8

Examples of bony fishes:

Question 9

A gas-filled sac that is used to control buoyancy; also known as gas bladder

Answer 9

Swim bladder

Question 10

A respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood

Answer 10

Lung

Question 11

The aquatic, fish-shaped larva of a frog or toad

Answer 11

Tadpole

Question 12

A phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place

Answer 12

Metamorphosis

Question 13

A type of egg that is surrounded by a membrane, the amnion, and that in reptiles, birds, and egg-laying mammals contains large amount of yolk and is surrounded by a shell

Answer 13

Amniotic egg

Question 14

A type of amphibian

Answer 14

Toads

Question 15

tailless amphibians with a short squat body

Answer 15

Frogs

Question 16

Amphibians that live in tropical weather. They look like earthworms or snakes

Answer 16

Caecilians

Question 17

Usually live under logs and stones in the woods. They have a similar body to their ancestors, caecilians

Answer 17

Salamanders

Question 18

A reptile with a hard shell to protect them from their prey. They also spend most of their time in water

Answer 18

Turtles

Question 19

They live on land and their shell is what makes them slow

Answer 19

Tortises

Question 20

Their eyes and nostrils are on the top of their flat head. They are also meat eaters

Answer 20

Crocodiles

Question 21

Their eyes and nostrils are on the top of their flat head. They are also meat eaters

Answer 21

Alligators

Question 22

Today’s most common reptiles are snakes and lizards. Snakes are carnivores. They have a special organs in the mouth that help them smell prey.

Answer 22

Snakes

Question 23

Most lizards eat insects and worms but some eat plants. They have a loosely connected lower jaw, but do not swallow large prey whole

Answer 23

Lizards

Question 24

Live on only a few islands off the coast of New Zealand . They look very similar to lizards and can grow to be about 60 cm long

Answer 24

Tuataras