reptiles and birds Flashcards
what are the characteristics of a reptile
- vertebrates
- has dry scaly skin
- lungs
- terrestrial eggs with several membrane
when was the first reptile fossil found
Carboniferous period
what is mesozoic era also called
age of reptiles
what happens after each mass extinction
adaptive radiation
how many mass extinctions have there been
5
what is adaptive radiation
diversification of a species or single ancestral type into several forms that are each adaptively specialized to evolve to exploit a new niche or resource
also is just an animal adapting and changes due to the environment
what is a habitat
where the species lives
what is a niche
the role that the organism plays in the system/how they interact with environment
what is another name for a ornithischian dinosaur
bird hipped
what does a bird hip look like
pubic bone and ischium points downward towards the tail
what is another name for a saurischia dinosaur
lizard hipped
what does a lizard hip look like
pubis points downward and forward at an angle to the ischium… bone looks like L
what is a sauropoda
large carnivores
what is a theropoda
bipedal carnivores
what did modern