Life in Cold Blood

Question 1

Vertebrates

Answer 1

An animal that has a backbone

Question 2

Endotherm

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 itself

Question 4

Lateral Line

Answer 4

a faint line visible on both sides of a fishes body that runs the length of the body and marks the location of sense organs that detects vibrations in water.

Question 5

Gill

Answer 5

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

Question 6

Jawless fishes

Answer 6

Hag fish and Lampreys.

Question 7

Cartilaginous fishes

Answer 7

Skates, stingrays, and hammerhead.

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 buoyancy; also known as a gas bladder.

Question 10

Lung

Answer 10

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

Question 11

Tadpole

Answer 11

.an aquatic fish shaped larva of a frog or tad

Question 12

Metamorphosis

Answer 12

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

Question 13

Caecilians

Answer 13

Caecilians are a group of limbless, vermiform or serpentine amphibians.

Question 14

Salamanders

Answer 14

Salamanders are a group of amphibians typically characterized by their lizard-like appearance.

Question 15

Frogs

Answer 15

.A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Aura.

Question 16

Toads

Answer 16

.Toad is a common name for certain frogs, especially of the family, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands.

Question 17

Amniotic egg

Answer 17

.a type of egg that is surrounded by a membrane and the amnion and that in reptiles birds and egg laying mammals.

Question 18

Turtles

Answer 18

.Turtles are an order of reptiles known as Testudines, characterized by a shell developed mainly from their ribs.

Question 19

Tortoises

Answer 19

.Tortoises are reptiles of the family Testudinidae of the order Testudines.

Question 20

Crocodiles

Answer 20

.Crocodiles or true crocodiles are large semi-aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.

Question 21

Alligators

Answer 21

.An alligator is a crocodile in the genus Alligator of the family Alligator.

Question 22

Snakes

Answer 22

.Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes.

Question 23

Lizards

Answer 23

Lizards are a widespread group of squamate reptiles

Question 24

Tuataras

Answer 24

Although resembling most lizards, they are part of a distinct lineage, the order Rhynchocephalia.