cold-blooded vertebrates

Question 1

vertebrates

Answer 1

Animals with a backbone

Question 2

endotherms

Answer 2

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

Question 3

ectotherms

Answer 3

an animal that is dependent on external sources of body heat

Question 4

lateral line

Answer 4

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

Question 5

gills

Answer 5

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

Question 6

jawless fish

Answer 6

Agnathan,lampreys

Question 7

cartilaginous fishes

Answer 7

shark,white shark,whale shark

Question 8

bony fishes

Answer 8

sardine, herring, smelt

Question 9

swim bladder

Answer 9

is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish) to control their buoyancy, and thus to stay at their current water depth without having to waste energy in

Question 10

amphibians

Answer 10

cold blooded vertebrate; double life means it lives on land & water; has gills and lungs, lays eggs in water, smooth skin, external fertilization. For example: Frogs, Newts Salamanders

Question 11

lungs

Answer 11

each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed. Lungs are characteristic of vertebrates other than fish, though similar structures are present in some other animal groups.

Question 12

tadpole

Answer 12

the larval stage in the life cycle of an amphibian, particularly that of a frog or toad. They are usually wholly aquatic

Question 13

metamorphosis

Answer 13

a change of the form or nature of a thing or person into a completely different one, by natural or supernatural means

Question 14

caecilians

Answer 14

a burrowing wormlike amphibian of a tropical order distinguished by poorly developed eyes and the lack of limbs.

Question 15

salamanders

Answer 15

a newtlike amphibian that typically has bright markings, and that once was thought to be able to endure fire.

Question 16

frogs

Answer 16

a tailless amphibian with a short squat body, moist smooth skin, and very long hind legs for leaping.

Question 17

toads

Answer 17

a tailless amphibian with a short stout body and short legs, typically having dry warty skin that can exude poison.

Question 18

reptiles

Answer 18

a vertebrate animal of a class that includes snakes, lizards, crocodiles, turtles, and tortoises. They are distinguished by having a dry scaly skin and typically laying soft-shelled eggs on land.

Question 19

amniotic eggs

Answer 19

type of egg reduced by reptiles

Question 20

turtles

Answer 20

a slow-moving reptile, enclosed in a scaly or leathery domed shell into which it can retract its head and thick legs.

Question 21

tortoises

Answer 21

a turtle, typically a herbivorous one that lives on land.

Question 22

crocodiles

Answer 22

a large predatory semiaquatic reptile with long jaws, long tail, short legs, and a horny textured skin, using submersion and stealth to approach prey unseen. The crocodile has been extensively hunted for its valuable skin.
2.

Question 23

alligators

Answer 23

a large semiaquatic reptile similar to a crocodile but with a broader and shorter head, native to the Americas and China.

Question 24

snakes

Answer 24

a long limbless reptile that has no eyelids, a short tail, and jaws that are capable of considerable extension. Some snakes have a venomous bite.

Question 25

lizards

Answer 25

a reptile that typically has a long body and tail, four legs, movable eyelids, and a rough, scaly, or spiny skin.

Question 26

tuataras

Answer 26

a nocturnal burrowing lizard like reptile with a crest of soft spines along its back, now confined to some small islands off New Zealand.