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Biology 1011 > Final > Flashcards

Flashcards in Final Deck (28):
1

What is the pneumonic for time periods?

Potatoes can't orally speak, Devon can't peter just cuz patttys neat

2

Time period with origin of animals

End of Precambrian

3

Time period with transition to land

Ordovician

4

Time period with origin of seed plants

Carboniferous

5

Time period with dinosaur extinction

Cretaceous

6

Time period with radiation of mammals

Paleogene

7

Time period with transition from fern to gymnosperm

Permian

8

Time period with origin of angiosperms

Cretaceous

9

Time period with origin of primates

Neogene

10

What is the order of human descendants from oldest to youngest

Chimpanzee, ardipithecus, Australopithecus, homo erectus, human

11

What are the main characteristics of deuterostomes

Radial cleavage and indeterminate cell fate, blastopore forms anus, major group of protostomes

12

What are the two main groups of deuterostomes?

Ambulacraria and chordata

13

What is a unique characteristic of ambulacraria?

Exclusively marine

14

What are the two branches of ambulacraria?

Echinoderms and hemichordates

15

Which organisms are echinoderms?

Sea cucumbers, sea urchins, sea stars, brittle stars, sand dollars, and feather stars

16

Which organisms are hemichordates?

Acorn worms

17

What is a defining characteristic of hemichordates?

They have lost bilateral symmetry and a brain

18

What are the three groups in chordata?

Cephalochordates, urochordates, and vertebrates

19

Which organisms are cephalochordates?

Lancelates

20

Which organisms are urochordates?

Tunicates and salps

21

What is characteristic of urochordates?

They live in colonies or are pelagic

22

What is a characteristic of cephalochordates?

The adult retains all chordate characteristics

23

What are characteristics of chordates

Notochord, pharyngeal gill slits, post anal tail

24

James Huttons theory

Theory of uniformitarianism

25

George's Cuvier theory

Theory of extinction by catastrophism

26

Jean-Baptiste Lamarck theory

Biological evolution by inheritance of acquired characteristics

27

Charles Lyell contribution

Popularized uniformitarianism and ancient dart age and critic on catastrophism

28

Natural selection contributors

Charles Darwin and Alfred russel Wallace