1. 14.1 WEBQUEST 1-Different species exist today: -over 30 million 2-Group w largest # species: -arthropods 3-# mammal species: -4,600

2. 14.1 WEBQUEST 4-# from 1 (most abundant) to 8 (least abundant) -2-plants3-protists 8-mammals 5-mollusks 4-fungi6-roundworms 1-arthropods 7-flatworms 5-biodiversity -many different types of organisms that exist

3. 14.1 WEBQUEST 6-470 million yrs ago: period-Ordovician period dominant predator-cephalopods (tentacled creatures) 1 st arthropod-Trilobites 7-160 million yrs ago: period-Middle Jurasic period marine reptile-Ichthyosaur

4. 14.1 WEBQUEST 8-how old is earth? -over 4 billion yrs 10-best evidence of events in earth’s history- -fossils

5. 14.1 WEBQUEST 9-COMPLETE: 1st multi- cell life 1 st life 1 st land plants 1 st dinosaur dinosaur extinct modern humans 1 st fish

6. 14.1 WEBQUEST 11-paleontologist -person studies fossils to learn about past life 12-features found in therapods -carnivorous teeth -long tail -3 toes/3 fingers

7. 14.1 WEBQUEST 13-cladogram -branching diagram – shows relationship between groups of animals 14-divergence -splitting of one species into two or more species

8. 14.1 WEBQUEST 15-which animal are crane/eagle closest related -Archaeopteryx 16-other data to determine related organisms -behavior -embryology -DNA

9. 14.1 WEBQUEST 17-birds on Galapagos Islands -finches 18-beaks vary -food source -region/lifestyle 19-environment changed – how affect pop of finches -finches with larger bills - Geospiza fortis - would thrive

10. 14.1 WEBQUEST 20-geographic isolation -separation between populations due to geographic distance/barriors 21-creature -Trilobite

11. 14.1 WEBQUEST 22-animals gone extinct since human time -quagga – relative of zebras -passenger pigeon -golden lion tamarin monkey