cold-blooded

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

the cephalaspids, include the lineage of the modern lamprey.

Question 7

Cartilaginous Fishes

Answer 7

Shark
Batoids
Chimaera

Question 8

Bony Fishes

Answer 8

Osteichthyes, popularly referred to as the bony fish, is a diverse taxonomic group of fish that have skeletons primarily composed of bone tissue, as opposed to cartilage.

Question 9

Swim Bladder

Answer 9

The swim bladder, gas bladder, fish maw or air bladder 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 swimming.

Question 10

Amphibians

Answer 10

Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. Modern amphibians are all Lissamphibia.

Question 11

Lungs

Answer 11

The lungs are the primary organs of the respiratory system in humans and many other animals including a few fish and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart.

Question 12

Tadpole

Answer 12

A tadpole (also called a pollywog) 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.

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

Caecilians are a group of limbless, serpentine amphibians. They mostly live hidden in the ground, making them the least familiar order of amphibians.

Question 15

Salamanders

Answer 15

Salamanders are a group of amphibians typically characterized by a lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults.

Question 16

Frogs

Answer 16

A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura.

Question 17

Toads

Answer 17

Toad is a common name for certain frogs, especially of the family Bufonidae, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands.

Question 18

Reptiles

Answer 18

Reptiles are tetrapod animals in the class Reptilia, comprising today’s turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.

Question 19

Amniotic Eggs

Answer 19

Amniotes are a clade of tetrapod vertebrates comprising the reptiles, birds, and mammals.

Question 20

Turtles (description)

Answer 20

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

Question 21

Tortoises (description)

Answer 21

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.

Question 22

Crocodiles (description)

Answer 22

Crocodile. Crocodiles (subfamily Crocodylinae) or true crocodiles 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 (description)

Answer 23

American alligator News. 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 (description)

Answer 24

Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales.

Question 25

Tuataras (description)

Answer 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”.