Flashcards in Final Deck (28):
What is the pneumonic for time periods?
Potatoes can't orally speak, Devon can't peter just cuz patttys neat
Time period with origin of animals
End of Precambrian
Time period with transition to land
Time period with origin of seed plants
Time period with dinosaur extinction
Time period with radiation of mammals
Time period with transition from fern to gymnosperm
Time period with origin of angiosperms
Time period with origin of primates
What is the order of human descendants from oldest to youngest
Chimpanzee, ardipithecus, Australopithecus, homo erectus, human
What are the main characteristics of deuterostomes
Radial cleavage and indeterminate cell fate, blastopore forms anus, major group of protostomes
What are the two main groups of deuterostomes?
Ambulacraria and chordata
What is a unique characteristic of ambulacraria?
What are the two branches of ambulacraria?
Echinoderms and hemichordates
Which organisms are echinoderms?
Sea cucumbers, sea urchins, sea stars, brittle stars, sand dollars, and feather stars
Which organisms are hemichordates?
What is a defining characteristic of hemichordates?
They have lost bilateral symmetry and a brain
What are the three groups in chordata?
Cephalochordates, urochordates, and vertebrates
Which organisms are cephalochordates?
Which organisms are urochordates?
Tunicates and salps
What is characteristic of urochordates?
They live in colonies or are pelagic
What is a characteristic of cephalochordates?
The adult retains all chordate characteristics
What are characteristics of chordates
Notochord, pharyngeal gill slits, post anal tail
James Huttons theory
Theory of uniformitarianism
George's Cuvier theory
Theory of extinction by catastrophism
Jean-Baptiste Lamarck theory
Biological evolution by inheritance of acquired characteristics
Charles Lyell contribution
Popularized uniformitarianism and ancient dart age and critic on catastrophism