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Which TV sitcom features a tortoise at the start and end of each episode?

Reptiles and Amphibians - Reptiles of the World

From crocodiles to chameleons, reptiles live on every continent except Antarctica. Explore how they breathe, move and hunt, and what makes them different from amphibians.

Explore the Topic →

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Fascinating Fact

Sea turtles travel long distances between feeding areas and nesting beaches, and females usually lay eggs on sandy shores.

In this Specialist Nature quiz, you will learn what makes reptiles unique, including their scaly skin, air breathing lungs, and the way many species rely on external heat to stay active. You will also explore how reptiles vary across different habitats worldwide, from deserts to rainforests and oceans.

Key Terms

Ectothermic: Describes an animal that uses the environment, such as sunshine, to warm up and control its body temperature.
Scales: Tough outer skin coverings that help protect a reptile and reduce water loss.
Amniotic egg: An egg with membranes that protect the developing young, allowing many reptiles to reproduce on land.

Frequently Asked Questions (Click to see answers)

What is a reptile?

A reptile is a vertebrate animal with scaly skin that breathes air with lungs. Most reptiles are ectothermic, so they often bask to warm up and become active.

What is the difference between reptiles and amphibians?

Reptiles have scaly skin and breathe with lungs throughout their lives. Amphibians usually have moist skin, often begin life in water, and many go through a major change as they grow.

Do all reptiles lay eggs?

No, not all reptiles lay eggs. Many do, but some species give birth to live young, especially in colder climates where keeping eggs warm would be difficult.

Try These Related Quizzes

To see a larger image, click on the picture.

1 .

What is the collective term for a group of alligators?

Photograph courtesy of Norbert Nagel

Flock

Congregation

Troop

Snap

Order: Crocodylia
Family: Alligatoridae
Subfamily: Alligatorinae
Genus: Alligator
Native to only the United States and China.
The majority of American alligators inhabit Florida and Louisiana, with over a million alligators in each state.
The Chinese alligator currently is found only in the Yangtze River valley and is extremely endangered.

2 .

What does a chameleon NOT have?

Photograph courtesy of Charlesjsharp

Claws

Ears

Tail

Tongue

Order: Squamata
Suborder: Lacertilia
Infraorder: Iguania
Family: Chamaeleonidae
Their eyes are the most distinctive of the reptiles.
They can rotate and focus separately to observe two different objects simultaneously, this lets their eyes move independently from each other.
It in effect gives them a full 360-degree arc of vision around their body.

3 .

How does a crocodile sweat?

Photograph courtesy of Tomás Castelazo

Through its tail

Through its skin

Through its mouth

Through its feet

Superorder: Crocodylomorpha
Order: Crocodylia
Superfamily: Crocodyloidea
Family: Crocodylidae
First appeared during the Eocene epoch, about 55 million years ago.
Are among the more biologically complex reptiles despite their prehistoric look.
Crocodiles are very fast over short distances, even out of water.

That's why they can be seen on river banks with their mouths wide open - they are cooling down!

4 .

Can you name this reptile?

Photograph courtesy of Jeff Servoss

Blind Lizard

Spinytail Lizard

Gila monster

Collared Lizard

Order: Squamata
Family: Helodermatidae
Genus: Heloderma
Species: H. suspectum
A venomous lizard, though poses little threat to humans due to its sluggish nature.
They inhabit scrubland, succulent desert and oak woodland.
The drug known as exenatide is derived from this animal's saliva.

5 .

Which TV sitcom features a tortoise at the start and end of each episode?

Photograph courtesy of Charlesjsharp

Early Doors

Dinnerladies

One Foot in the Grave

Only Fools and Horses

Order: Testudines
Suborder: Cryptodira
Superfamily: Testudinoidea
Family: Testudinidae
Tortoises generally have lifespans comparable with those of human beings, although some have lived three times as long!
Giant tortoises move very slowly on dry land, at only 0.17 miles per hour (0.27 km/h).

6 .

Iguanas have a 'third' eye on their head. What is this eye called?

Photograph courtesy of Bjørn Christian Tørrissen

Parietal eye

Varietal eye

Territorial eye

Tyrannical eye

Order: Squamata
Suborder: Iguania
Family: Iguanidae
Genus: Iguana
A herbivorous lizard native to tropical areas of Central America, China and the Caribbean.
Have excellent vision and can see shapes, shadows, colours and movement at long distances.
Are often hard to spot, as they tend to blend into their surroundings.

It is usually associated with the pineal gland, regulating circadian rhythmicity and hormone production for thermoregulation

7 .

This foot belongs to which reptile?

Photograph courtesy of Bjørn Christian Tørrissen

Wood lizard

Gecko

Anole

Whiptail

Order: Squamata
Suborder: Scleroglossa
Family: Gekkonidae
Are among the most colourful lizards in the world.
Come in various patterns and colours such as purple, pink and blue.
The mating call sounds like a shortened bird chirping which attracts males.
Found in warm climates throughout the world.

The toes of the gecko have a special adaptation that allows them to adhere to most surfaces without the use of liquids or surface tension

8 .

In 2006, the snapping turtle became the state reptile of which state?

Photograph courtesy of D. Gordon E. Robertson

New Jersey

Ohio

Delaware

New York

Order: Testudines
Family: Chelydridae
Genus: Chelydra
Species: C. serpentina
Snapping turtles have evolved the ability to snap because they are too large to hide in their own shells when confronted.
In some areas they are hunted very heavily for their meat, a popular ingredient in turtle soup.

It was voted for by the state's public elementary school children

9 .

Can you name this reptile?

Photograph courtesy of Theduong

Skink

Tegus

Night Lizard

Agama

Order: Squamata
Suborder: Scleroglossa
Infraorder: Scincomorpha
Family: Scincidae
Most species have no pronounced neck and their legs are relatively small.
As a family, they are cosmopolitan; species occur in a variety of habitats worldwide, apart from boreal and polar regions.
One particular species has green blood.

10 .

What is the name of this reptile?

Photograph courtesy of D. Gordon E. Robertson

Spectacled lizard

Plated lizard

Glass lizard

Monitor lizard

Order: Squamata
Family: Varanidae
Genus: Varanus
Differ greatly from other lizards, possessing a relatively high metabolic rate for reptiles.
These kinds of lizards are very intelligent and some species can even count.
Are eaten in parts of southern India and Malaysia, where their meat is considered an aphrodisiac.

Author: Sarah Garratty

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