cold-blooded vertabrates

Question 1

Vertebrates

Answer 1

an animal that has a backbone

Question 2

Endotherms

Answer 2

an animal that can use body heat from chemical reactions in the bodys cells to mantain a constant body temperature

Question 3

Ectotherms

Answer 3

a community of orgamisms and their environment

Question 4

Lateral Line

Answer 4

a system of sense organs found in aquatic vertebrates used to detect movement and vibration in the surrounding water

Question 5

Gills

Answer 5

tissues which consist of cloth and fabric structures called filaments

Question 6

Jawless Fishes

Answer 6

fish that dont have jaws

Question 7

Cartilaginous Fishes

Answer 7

any of a class (Chondrichthyes) of fishes (as a shark, ray, or chimaera) having the skeleton wholly or largely composed of cartilage — compare bony fish, jawless fish.

Question 8

Bony Fishes

Answer 8

any of a major taxon (class Osteichthyes or superclass Teleostomi) comprising fishes (as sturgeons, eels, mackerels, and sunfish) with a bony rather than a cartilaginous skeleton —called also teleost — compare cartilaginous fish, jawless fish

Question 9

Swim Bladder

Answer 9

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

Question 10

Amphibians

Answer 10

a seaplane, tank, or other vehicle that can operate on land and on water.

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 tailed aquatic larva of an amphibian (frog, toad, newt, or salamander), breathing through gills and lacking legs until its later stages of development.

Question 13

Metamorphosis

Answer 13

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

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 cold-blooded vertebrate 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

The type of egg produced by reptiles, birds, and prototherian (egg-laying) mammals (amniotes), in which the embryo develops inside an amnion. The shell of the egg is either calcium-based or leathery.

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.

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.