By Lora, By Lora, Miro and Miro and SashoSasho

10/210/2By Lora, By Lora, Miro and Miro and SashoSasho

10/210/2By Lora, By Lora, Miro and Miro and SashoSasho

10/210/2By Lora, By Lora, Miro and Miro and SashoSasho

Phylogeny?Phylogeny?

Domain Domain Eukarya Eukarya Kingdom - Kingdom - AnimaliaAnimalia Phylum –Phylum –ChordataChordata Class – Class – ReptiliaReptilia

Reptilia?Reptilia?

CrocodiliaCrocodilia (crocodiles and alligators) (crocodiles and alligators) SphenodontiaSphenodontia – includes only 2 species – – includes only 2 species –

tuatara from New Zealand tuatara from New Zealand SquamataSquamata ( worm and cold blooded ( worm and cold blooded

lizards, snakes) lizards, snakes) TestudinesTestudines ( turtles and tortoises) ( turtles and tortoises)

Symmetry and RelationsSymmetry and Relations

Bilateral – Bilateral – one plane divides the one plane divides the organism into two mirror halvesorganism into two mirror halves

Closely Related to:Closely Related to: Class Class AmphibiansAmphibians Class Class AvesAves (birds) (birds)

Humans were reptiles?Humans were reptiles?

Around 300 million years agoAround 300 million years ago Earliest known- Earliest known- HylonomusHylonomus Developed from Developed from AmphibiansAmphibians Precursors of mammals (people)Precursors of mammals (people)

What makes them so What makes them so special?special?

Cold-bloodedCold-blooded, as opposed to , as opposed to warm-warm-bloodedblooded (humanoids, dogs, mice, (humanoids, dogs, mice, elephants, etc.)elephants, etc.)

Lay Lay amniotic amniotic eggseggs Covered by Covered by scalesscales or or scutesscutes TetrapodsTetrapods

How do they breed?How do they breed?

Via egg-laying Via egg-laying ((OviparousOviparous lizards) lizards) Turtles, Crocodilians Turtles, Crocodilians

Via live bearingVia live bearing Some Lizards, Some Some Lizards, Some

Snakes (Boas, Snakes (Boas, Vipers)Vipers)

Baby Turtle

How do they move How do they move around?around?

By using By using limbs limbs to help to help glide glide across the across the groundground

By twisting and turning their bodies in By twisting and turning their bodies in different patterns (for snakes)different patterns (for snakes) Lateral undulating, straight crawling, side

winding

How do they avoid How do they avoid predators?predators?

By using By using camouflagecamouflage Scale patterns, blending (chameleons)Scale patterns, blending (chameleons)

Playing Playing deaddead Tonic Immobility Tonic Immobility (becoming rigid) (becoming rigid) Diet changeDiet change (resorting to weaker “food”) (resorting to weaker “food”)

Green Anaconda (Eunectes Green Anaconda (Eunectes Murinos) Murinos) Habitat : Swamps, slow Habitat : Swamps, slow

moving rivers, tropical moving rivers, tropical rainforests (South rainforests (South America) America)

They feed on other They feed on other animals. animals.

They eat almost They eat almost everything that they are everything that they are stronger than (which is stronger than (which is almost everything). almost everything).

They even eat other They even eat other reptiles. reptiles.

The most amazing thing The most amazing thing to see is how an to see is how an Anaconda swallows a Anaconda swallows a crocodile. crocodile.

Genus: Eunectes Genus: Eunectes Family: BoidaeFamily: Boidae Order: SquamataOrder: Squamata Class: ReptiliaClass: Reptilia Phylum: ChordataPhylum: Chordata Kingdom: AnimaliaKingdom: Animalia Life Cycle : Born : 70-80 cm Life Cycle : Born : 70-80 cm

long. No parental care.long. No parental care. Grow for five years and Grow for five years and

reproduce.reproduce. Continues growing but more Continues growing but more

slowly. slowly.

GavialGavial - - Gavialis gangeticusGavialis gangeticus Genus: GavialisGenus: Gavialis Family: GavialidaeFamily: Gavialidae Order – CrocodiliaOrder – Crocodilia Class: ReptiliaClass: Reptilia Phylum ChordataPhylum Chordata Kingdom: AnimaliaKingdom: Animalia Size 7 mSize 7 m

Famous with its long stout and Famous with its long stout and precious skinprecious skin

Habitat: Asia – India , Nepal Habitat: Asia – India , Nepal around water – Indus and around water – Indus and Ganges mostlyGanges mostly

Ecology – it is under great Ecology – it is under great danger of disappearing as a danger of disappearing as a specie because people kill it specie because people kill it for its skinfor its skin

Food: fish, insects, small Food: fish, insects, small mammals, birdsmammals, birds

BBreed in November and then reed in November and then the female lays about 40 eggsthe female lays about 40 eggs

Tuatara – Tuatara – Sphenodon punctatusSphenodon punctatus Genus: SphenodonGenus: Sphenodon Family: Family:

SphenodontidaeSphenodontidae Order: SphenodontiaOrder: Sphenodontia Class: ReptiliaClass: Reptilia Phulym: ChordataPhulym: Chordata Kingdom: AnimaliaKingdom: Animalia

One of the two only survivors of the One of the two only survivors of the order Sphenodontia; the others order Sphenodontia; the others died 60 million years ago and that;s died 60 million years ago and that;s why it’s called living fossilwhy it’s called living fossil

Remained the same as it was 225 Remained the same as it was 225 million years agomillion years ago

Once lived in New Zealand, but Once lived in New Zealand, but they were killed by rats and peoplethey were killed by rats and people

Now are found on small islands Now are found on small islands around New Zealandaround New Zealand

Lay eggs, then they reach maturity Lay eggs, then they reach maturity when they are 15-20 years oldwhen they are 15-20 years old

Can live more than 100 yearsCan live more than 100 years Food: insects, lizards, seabird eggsFood: insects, lizards, seabird eggs

Social SkillsSocial Skills

Snake bites=Snake bites=death (more or less) (more or less) Snake Snake venomvenom- used for - used for medicinemedicine, ,

antidotesantidotes Used for scientific research Used for scientific research Skin used for crafting items- bags, shoes, Skin used for crafting items- bags, shoes,

etc.etc.

Works CitedWorks Cited

http://www.exoticpetvet.net/reptile/rerepro.htmlhttp://www.exoticpetvet.net/reptile/rerepro.html http://bio.edu.ee/animals/Roomajad/roalgus.htmhttp://bio.edu.ee/animals/Roomajad/roalgus.htm http://www.gopetsamerica.com/reptiles/lizards.aspxhttp://www.gopetsamerica.com/reptiles/lizards.aspx http://dictionary.reference.com/ - Vocabulary words (meanings)http://dictionary.reference.com/ - Vocabulary words (meanings) http://images.google.bg/imghp?sourceid=navclient&ie=UTF-8 http://images.google.bg/imghp?sourceid=navclient&ie=UTF-8

Pictures of lizards, snakes, turtles, etc.Pictures of lizards, snakes, turtles, etc.

http://www.absoluteastronomy.com/topics/Reptile http://www.absoluteastronomy.com/topics/Reptile http://www.extremescience.com/zoom/index.php/creepy-crawlies/10-http://www.extremescience.com/zoom/index.php/creepy-crawlies/10-

biggest-snake biggest-snake http://www.angelfire.com/mo2/animals1/crocodile/gharial.htmlhttp://www.angelfire.com/mo2/animals1/crocodile/gharial.html http://www.kcc.org.nz/tuatara http://www.kcc.org.nz/tuatara