Cold blood

Question 1

Vertebrates

Answer 1

an animal that has a backbone.

Question 2

Endotherms

Answer 2

use body heat to maintain constant temperature.

Question 3

Ectotherms

Answer 3

an organism that needs sources of heat outside of itself.

Question 4

Lateral line

Answer 4

faint line runs length of fish’s body detects water vibration.

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 Fishes

Answer 6

lampreys and hagfish.

Question 7

Cartilaginous Fishes

Answer 7

sharks, rays, and skates.

Question 8

Bony Fishes

Answer 8

Ocean sunfish, catfish, Northern pike.

Question 9

Swim Bladder

Answer 9

gas filled sac controls buoyancy.

Question 10

Amphibians

Answer 10

cold blooded vertebrates.

Question 11

Lungs

Answer 11

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

Question 12

Tadpole

Answer 12

the aquatic fish-shaped larva of 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 organism to the adult form takes place.

Question 14

Caecilians

Answer 14

pronounced seh-SILL-yens are tropical amphibians that look like large worms or slick snakes.

Question 15

Salamanders

Answer 15

encompass approximately 500 species of amphibians. They typically have slender bodies, short legs, and long tails.

Question 16

Frogs

Answer 16

bulging eyes and slimy skin. They live all over the world and are among the most diverse animals in the world, with more than 6,000 species.

Question 17

Toads

Answer 17

are amphibians. They differ from most frogs because they have dry skin, warts, crests behind the eyes, and parotoid glands.

Question 18

Reptiles

Answer 18

are tetrapod animals in the class Reptilia, comprising today’s turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.

Question 19

Amniotic Eggs

Answer 19

are a clade of tetrapod vertebrates comprising the reptiles, birds, and mammals. Amniotes lay their eggs on land or retain the fertilized egg within the mother,

Question 20

Turtles

Answer 20

are diapsids of the order Testudines characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield.

Question 21

Tortoises

Answer 21

is the third member of the Chelonian family – along with turtles and terrapins. Chelonians are also reptiles, which means they are cold-blooded and warm themselves by drawing heat from their environment.

Question 22

Crocodiles

Answer 22

are large reptiles found in tropical regions of Africa, Asia, the Americas and Australia. They are members of the order Crocodilia,

Question 23

Alligators

Answer 23

Both males and females have an “armored” body with a muscular, flat tail. The skin on their back is armored with embedded bony plates called osteoderms or scutes.have between 74 and 80 teeth in their mouth at a time.

Question 24

Snakes

Answer 24

are elongated, legless, carnivorous reptiles of the suborder Serpentes.They range in size from the tiny, 10.4 cm (4.1 in)-long Barbados thread snakes to the reticulated python of 6.95 meters (22.8 ft) in length.

Question 25

Lizards

Answer 25

have jaws with teeth. They also have teeth on the roof of their mouth. Habitat Lizards live in deserts, forests, prairies, marshes, and rocky areas. Most Lizards live on the ground or in trees.

Question 26

Tuataras

Answer 26

are reptiles endemic to New Zealand. Although resembling most lizards, they are part of a distinct lineage, the order Rhynchocephalia. Their name derives from the Maori language, and means "peaks on the back".