What were the First life forms? Why did it take so long (4 Billion years) for the Cambrian Explosion?

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PRESENTATION TOPICS, SECTION 3:
Last Name Choose-
A through C choose from 1st through 8th topic
D through J choose from the 9th through 16th topic
J through S choose from the 17th through 25th topic
S through Z choose fro 26th through 33rd Topic
1 Precambrian – development of life. What were the First life forms? Why did it take so long (4 Billion
years) for the Cambrian Explosion?

2 The Cambrian Explosion

3 Paleozoic Era – timeframe, key events, ie
spermavours, jaws, the first amniotic egg, extinctions, etc.

4 Mesozoic Era – time frame, key events (see above)

5 Cenozoic Era – same as above

K-T Event

6 Anthropocene Epoch

7 Punctuated Equilibrium

8 Mass Extinctions – identify all to date, % of life forms
lost in each one, including the current mass
extinction, (MULTIPLE) causes, etc.

9 Mammals – Compare
Placentals, Marsupials & Monotremes

ON ALL FOLLOWING SPECIES, include taxonomic classification, behavior, location, social structure, etc.

10 Lemurs

12 Tarsiers

13 Lorises

14 Marmosets & Tamarins – what sets them apart from the other NW monkeys.
What is their Taxonomic Classification What is their social structure, diet, etc?

15 Capuchins – what sets them apart from other species of monkeys?

16 NW Monkey species with Prehensile Tails

17 OW Leaf Eaters What is their Taxonomic Classification, daily patterns

18 Taxonomic identification of the monkeys, instead
of “Old World, New World, Leaf Eaters”, etc.
(This can be found in your text – but should be
supplemented by online photos, etc.)

19 Macaques

20 Gibbons & Siamangs
21 Chimpanzees (Inc. diet, social structure, their close genetic relationship to humans,
Difference from Bonobos, the work of Jane Goodal & the current
environmental threat.)

22 Bonobos – include the history of being recognized as a species separate from Chimps,
their close genetic relationship to humans, their diet, social structure, etc.
(Do not be “shy” reporting on the importance of sex in their social behavior pattern)
23 The clear differences between Bonobos and Chimps – utilize all categories above
listed for both, including social structure, sharing, sex, etc.

24 Orangutans

25 Gorillas

26 Humans – how are we Primates? What, if anything actually separates us from other primates?

27 Potassium-Argon Dating

28 Dendrochronology Dating – what parts of the world is it limited to, Palynology
Dating in early man Archaeology

29 Fluorine Dating (For humans and other animals Archaeology)

30 Seriation Dating – provide multiple examples, Thermoluminescence used in dating pottery, Carbon 14 dating

31 Paleontology as a human dating method: i.e. Folsom points found in extinct buffalo rib,
bones of extinct animals in early man sites, etc.

32 Paleomagnetism dating, Obsidian Hydration dating, Stratigraphy (as a dating
method – include Steno’s Law)

33 Distinguish between:
Physical Environment,
Biotic Environment,
Habitat,
Microhabitat and
Niche

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