vertebrates

Question 1

vertebrate

Answer 1

an animal that has a backbone

Question 2

endothermic

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 of itself

Question 4

lateral line

Answer 4

a faint line visible on both sides of a fish’s body that runs the length of the body and marks the location of sense organs that detect 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

Jaw less fish

Answer 6

Ex. Lamprey

Question 7

Cartilaginous fishes

Answer 7

a fish of a class distinguished by having a skeleton of cartilage rather than bone, including the sharks, rays, and chimeras.

Question 8

Bony fishes

Answer 8

a fish of a large class distinguished by a skeleton of bone, and comprising the majority of modern fishes.

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

Lung

Answer 10

an open space in a town or city, where people can breathe fresher air.

Question 11

Tadpole

Answer 11

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

Question 12

Metamorphosis

Answer 12

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

Question 13

Caecilians

Answer 13

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

Question 14

Salamanders

Answer 14

a lizard-like amphibian with an elongated body and tail and short limbs, once thought able to endure fire

Question 15

Frogs

Answer 15

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

Question 16

Toads

Answer 16

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

Question 17

Amniotic egg

Answer 17

The type of egg produced by reptiles, birds, and prototherian (egg-laying) mammals

Question 18

Turtles

Answer 18

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

Question 19

Tortoises

Answer 19

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

Question 20

Crocodiles

Answer 20

a large predatory semi-aquatic reptile with long jaws, long tail, short legs, and a horny textured skin, using submersion and stealth to approach prey unseen.

Question 21

Alligators

Answer 21

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

Question 22

Snakes

Answer 22

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

Question 23

Lizards

Answer 23

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

Question 24

Tuataras

Answer 24

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