Reportiles

Question 1

Embryonic membranes of the gg

Answer 1

Amnion- the “extraembryonic memebrane “ that prevents the embryo from drying out in terrestrial situations

Yolk- contains nutrients

Allantois- a sac that contains the digestive waste

Chorion- the membrane underneth the shell, mainy used for gas exchange

Question 2

Orders of reptilia

Answer 2

Tetudines- turtles

Crocadilia- crocodilians

Aves- birds

shepnoodntina- tautaras

Squamata-
Suborder- lacertina- lizards
Suborder- serpetnes- serpents

Question 3

Fenestration

Answer 3

Anapsid condition- anapsida had no fenestration, which was present in all the ancerstal reptiles

Diapsin condition- all living reptiles are derived from diapsid condition

Synapsid condition- will lead to the condition of the mammal like reptile

Euyrapsid condition- non monophyletic, derived independently from the diapsin state. Evolutional y dead end, (plrsiosaurs, ichthyosaurs) no living representatives

Question 4

Lepidosaurs characteristics

Answer 4

Tranvers cloaca with a paired hemipenes stores at the base of the tail

Developed regualar ecdysis(shedding)