invetrtabreas

Question 1

Vertebrates

Answer 1

an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

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 Fishes

Answer 6

Any of various primitive fish of the class Agnatha that lack jaws. Living jawless fish (lampreys and hagfish) have a long, cylindrical body and a cartilaginous skeleton. The numerous extinct species were often heavily armored and are among the earliest vertebrate fossils known. … Also called agnathan.

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

Amphibians

Answer 10

a cold-blooded vertebrate animal of a class that comprises the frogs, toads, newts, and salamanders. They are distinguished by having an aquatic gill-breathing larval stage followed (typically) by a terrestrial lung-breathing adult stage.

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

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

Question 14

caecilians

Answer 14

are limbless amphibians that on the surface resemble a worm or a snake. The smaller species measure less than three inches, but the largest one (Caecilia thompsoni from Colombia) grows to almost five feet long.

Question 15

Salamanders

Answer 15

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 two species reach up to 5 feet in length.

Question 16

frogs

Answer 16

The word amphibian comes from 2 Greek words, “amphi” which means “both” and “bios” which means “life”. Amphibians are cold-blooded animals. … Examples of other amphibians are salamanders and caecillians. Frogs have strong hind legs to enable them leap forward at a great distance

Question 17

Toads

Answer 17

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

Question 18

Reptiles

Answer 18

a cold-blooded vertebrate animal of a class (Reptilia) 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. … “reptile.”

Question 19

Amniotic Eggs

Answer 19

The structure of the amniote egg. Inside the egg are a series of fluid-filled membranes which permit the embryo to survive: the amnion, allantois, yolk sac, and chorion. Surrounding and protecting the embryo is the amnion, filled with amniotic fluid, and providing the embryo with a stable fluid environment.

Question 20

Turtles

Answer 20

are reptiles of the order Testudines (or Chelonii) characterised 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 (American English) or to fresh-water and sea-dwelling testudines (British English).

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

Question 22

Crocodiles

Answer 22

are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. Crocodylinae, all of whose members are considered true crocodiles, is classified as a biological subfamily.

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. … Alligators have between 74 and 80 teeth in their mouth at a time.

Question 24

snakes

Answer 24

heir body shape depends on the habitat in which they live. … Brightly colored snakes are usually venomous, their coloration serving as a warning to predators, while dull colored snakes use their coloration for camouflage.

Question 25

lizzard

Answer 25

It can grow longer than a person. The smallest lizard is a tiny gecko. Characteristics: Most lizards have dry, scaly skin. They have four legs, clawed feet, and a long tail.

Question 26

Tuataras

Answer 26

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”.