Cold-Blooded Vertebrates

Question 1

Vertebrates

Answer 1

Animals that have backbones.

Question 2

Endotherms

Answer 2

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

Question 3

Ectotherm

Answer 3

An organism that needs sources of heat outside of itself.

Question 4

Lateral Line

Answer 4

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

Question 5

Gills

Answer 5

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

Question 6

Jawless Fish

Answer 6

Hagfish and lampreys.

Question 7

Cartilaginous Fish

Answer 7

Skates, stingray, and hammerhead sharks.

Question 8

Bony fishes

Answer 8

Lungfishes, masked butterfly fish, and pikes.

Question 9

Swim Bladder

Answer 9

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

Question 10

Amphibians

Answer 10

Salemanders and frogs.

Question 11

Lungs

Answer 11

A respitory organ in which from the air is exchanged with carbon dioxide from the blood.

Question 12

Tadpoles

Answer 12

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

Question 13

Metamorphosis

Answer 13

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

Question 14

caecillans

Answer 14

Looks like a worm but has a backbone.

Question 15

Salamnders

Answer 15

They have long a long tail, and they have four strong legs. They are from about a few cm long to 1.5 m long.

Question 16

Frogs

Answer 16

Leg muscles for jumping, well-adapted ears for hearing, long sticky tongue and their body is slimy.

Question 17

Toads

Answer 17

Their skin is dry and bumpy, they have strong leg muscles, well-developed ears for hearing, long sticky tongue, and vocal cords for calling.

Question 18

Reptiles

Answer 18

They are animals that don’t need to go into water and they have bumpy thick skin.

Question 19

Amniotic Eggs

Answer 19

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

Question 20

Tortoises

Answer 20

They are very slow and have a shell to protect them.

Question 21

Turtles

Answer 21

Have a streamlined shell that helps the turtles swim and turn rapidly..

Question 22

Crocodiles

Answer 22

Has a narrow head and a pointed snout.

Question 23

Alligators

Answer 23

Has a broad head and a rounded snout.

Question 24

Snakes

Answer 24

They are carnivores and have special organs in the mouth that help them smell prey.

Question 25

Lizards

Answer 25

Loosely connected lower jaws and eye-catching abilities and they do not swallow large prey whole.

Question 26

Tuataras

Answer 26

They look like lizards and are active when the temperature is low.