Podcast
Questions and Answers
What are amniotes?
What are amniotes?
- Reptiles
- Birds
- Mammals
- All of the above (correct)
What are the characteristics of an amniote?
What are the characteristics of an amniote?
Amniotic egg, internal fertilization, water-tight skin
What is an amniotic egg?
What is an amniotic egg?
Egg with a waterproof shell
What are the parts of an amniotic egg?
What are the parts of an amniotic egg?
What is the function of the amnion?
What is the function of the amnion?
What is the function of the chorion?
What is the function of the chorion?
What is the purpose of the allantois?
What is the purpose of the allantois?
What does the yolksac do?
What does the yolksac do?
What is the function of the yolk?
What is the function of the yolk?
What is an embryo?
What is an embryo?
What class do reptiles belong to?
What class do reptiles belong to?
What are the scales of reptiles made of?
What are the scales of reptiles made of?
What kind of body temperature do reptiles have?
What kind of body temperature do reptiles have?
What does ectothermic mean?
What does ectothermic mean?
When did reptiles first appear on Earth?
When did reptiles first appear on Earth?
What did reptiles probably evolve from?
What did reptiles probably evolve from?
When was there a great diversity of reptiles?
When was there a great diversity of reptiles?
What era is known as The Age of Reptiles?
What era is known as The Age of Reptiles?
What led to the diversity of mammals?
What led to the diversity of mammals?
What are the 4 orders of reptiles?
What are the 4 orders of reptiles?
What animals are in the Order Testudines?
What animals are in the Order Testudines?
What are the differences between turtles and tortoises?
What are the differences between turtles and tortoises?
What are the parts of a turtle/tortoise shell?
What are the parts of a turtle/tortoise shell?
What is the carapace?
What is the carapace?
What is the plastron?
What is the plastron?
What animals are in the order Squamata?
What animals are in the order Squamata?
Snakes and lizards contain a _________________ on the roof of their mouth.
Snakes and lizards contain a _________________ on the roof of their mouth.
What is the Jacobson Organ?
What is the Jacobson Organ?
Lizards have the ability to regrow their tail which is _________.
Lizards have the ability to regrow their tail which is _________.
What order do crocodiles and alligators belong to?
What order do crocodiles and alligators belong to?
Which reptiles are most closely related to dinosaurs?
Which reptiles are most closely related to dinosaurs?
Which reptiles hunt by stealth?
Which reptiles hunt by stealth?
Which reptiles show parental care?
Which reptiles show parental care?
Which reptiles are the closest living reptiles to birds?
Which reptiles are the closest living reptiles to birds?
Which order of reptiles is native to New Zealand?
Which order of reptiles is native to New Zealand?
Which order of reptiles has a parietal eye that acts as a thermostat?
Which order of reptiles has a parietal eye that acts as a thermostat?
Birds have what kind of body temperature?
Birds have what kind of body temperature?
What does endothermic mean?
What does endothermic mean?
Feathers are modified _______.
Feathers are modified _______.
What class do birds belong to?
What class do birds belong to?
What did birds likely evolve from?
What did birds likely evolve from?
When did birds evolve?
When did birds evolve?
What is the oldest fossil of birds called?
What is the oldest fossil of birds called?
What are the features of archaeopteryx?
What are the features of archaeopteryx?
What are the 5 flying styles?
What are the 5 flying styles?
Study Notes
Amniotes
- Amniotes consist of birds, reptiles, and mammals.
- Characteristics include an amniotic egg, internal fertilization, and water-tight skin.
Amniotic Egg
- Defined as an egg with a waterproof shell.
- Contains several key parts: amnion, chorion, allantois, yolksac, yolk, and embryo.
Parts of the Amniotic Egg
- Amnion: Membrane that surrounds the developing embryo.
- Chorion: Facilitates gas exchange during development.
- Allantois: Primarily responsible for waste disposal.
- Yolksac: Surrounds the yolk, providing nutrients.
- Yolk: Nutrient source for the embryo.
- Embryo: Develops into the young of the species.
Reptiles
- Belong to the class Reptilia.
- Scales are made of keratin.
- Exhibit ectothermic body temperature, meaning their temperature is regulated by the environment.
- First appeared during the Carboniferous period, about 300 million years ago.
- Likely evolved from amphibians.
- Experienced great diversity during the Mesozoic Era, known as the Age of Reptiles.
Diversity of Mammals
- The extinction of dinosaurs, around 65 million years ago, led to the diversity of mammals.
Orders of Reptiles
- Four main orders: Order Testudines, Order Squamata, Order Crocodilia, Order Rhynchocephalia.
- Order Testudines includes turtles and tortoises; turtles inhabit water, while tortoises are larger and terrestrial.
- Turtle shells consist of carapace (top) and plastron (bottom).
Order Squamata
- Comprises lizards and snakes.
- Possesses a Jacobson Organ for chemical detection, aiding in predation.
- Lizards can regrow their tails through a process known as autotomy.
Order Crocodilia
- Includes crocodiles and alligators, the closest living relatives to dinosaurs.
- These reptiles hunt by stealth and exhibit parental care.
Order Rhynchocephalia
- Native to New Zealand and features a parietal eye that serves as a thermostat.
Birds
- Classified under class Aves and maintain endothermic body temperature controlled internally.
- Evolved from dinosaurs during the Mesozoic Era, around 150 million years ago.
- The oldest known bird fossil is Archaeopteryx, distinguished by clawed forelimbs, teeth, vertebral tail, and feathers.
- Feathers are modified scales.
Flight Styles in Birds
- Birds demonstrate five types of flying styles:
- Rapid altitude changes.
- Soaring and gliding.
- Hovering.
- Short flights.
- Flightless species.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on amniotes, including reptiles, birds, and mammals with these informative flashcards. Learn about the characteristics, structure, and functions of amniotic eggs and other related terms. This quiz is a great way to reinforce your understanding of these fascinating animals.
