Cold blooded vertebrates

Question 1

an animal that is dependent on or capable of the internal generation of heat; a warm-blooded animal.

Answer 1

Endotherms

Question 2

an animal that is dependent on external sources of body heat.

Answer 2

Ectotherms

Question 3

a visible line along the side of a fish consisting of a series of sense organs which detect pressure and vibration.

Answer 3

Lateral Line

Question 4

the paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.

Answer 4

Gills

Question 5

hagfish and lamprey.

Answer 5

Jawless Fishes

Question 6

sharks, stingrays, and sawfish

Answer 6

Cartilaginous Fishes

Question 7

catfish, eel, and lungfish

Answer 7

Bony Fishes

Question 8

a gas-filled sac present in the body of many bony fishes, used to maintain and control buoyancy.

Answer 8

Swim Bladder

Question 9

Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. Modern amphibians are all Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arboreal or freshwater aquatic ecosystems.

Answer 9

Amphibians

Question 10

The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. The bronchi then divide into smaller and smaller branches (bronchioles), finally becoming microscopic.

Answer 10

Lungs

Question 11

A tadpole is the larval stage in the life cycle of an amphibian, particularly that of a frog or toad. They are usually wholly aquatic, though some species have tadpoles that are terrestrial.

Answer 11

Tadpole

Question 12

(in an insect or amphibian) the process of transformation from an immature form to an adult form in two or more distinct stages.

Answer 12

Metamorphosis

Question 13

Caecilians (pronounced seh-SILL-yens) are tropical amphibians that look like large worms or slick snakes. They have no arms or legs, and sometimes it’s hard to tell which end is the head and which is the tail! Their shiny skin is ringed with skin folds called annuli.

Answer 13

Caecilians

Question 14

Salamanders encompass approximately 500 species of amphibians. They typically have slender bodies, short legs, and long tails. Usually found in moist or arid habitats in the northern hemisphere, most salamanders are small, although there are two species that reach up to 5 feet in length.

Answer 14

Salamanders

Question 15

Frogs are amphibians that are known for their jumping abilities, croaking sounds, 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. Frogs substantially outnumber the two other groups of amphibians

Answer 15

Frogs (description)

Question 16

Toads. Like frogs, toads are amphibians. They differ from most frogs because they have dry skin, warts, crests behind the eyes, and parotoid glands. The parotoid glands produce a poisonous secretion that helps the toad defend itself from predators.

Answer 16

Toads (description)

Question 17

Reptiles are tetrapod animals in the class Reptilia, comprising today’s turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology.

Answer 17

Reptiles

Question 18

Amniotes 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, and are distinguished from the anamniotes, which typically lay their eggs in water.

Answer 18

Amniotic Eggs

Question 19

Turtles are diapsids of the order Testudines characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield. “Turtle” may refer to the order as a whole or to fresh-water and sea-dwelling testudines. The order Testudines includes both extant and extinct species.

Answer 19

Turtles

Question 20

Description. The tortoise 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. They have four legs and a shell that is joined down the sides.

Answer 20

Tortoises

Question 21

Crocodiles are large reptiles found in tropical regions of Africa, Asia, the Americas and Australia. They are members of the order Crocodilia, which also includes caimans, gharials and alligators.

Answer 21

Crocodiles

Question 22

An alligator is a crocodilian in the genus Alligator of the family Alligatoridae. The two living species are the American alligator and the Chinese alligator. Additionally, several extinct species of alligator are known from fossil remains

Answer 22

Alligators

Question 23

Snakes. Snakes range in size from small (the size of a worm) to many feet in length. The skin of snakes is made up of scales that may be smooth or ridged. … Venomous snakes have grooved or hollow fangs that they use to inject venom into their prey.

Answer 23

Snakes

Question 24

Lizards 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.

Answer 24

LIzards

Question 25

Tuatara 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 Māori language, and means "peaks on the back".

Answer 25

Tuataras