evidence for evolution Flashcards
1
Q
fossils
A
ancient remains, impressions, or traces of organisms that are preserved in sedimentary rock, amber, etc.
2
Q
paleontology
A
the study of fossils
3
Q
georges cuvier noted that (fossils):
A
- fossils of more complex organisms are found in younger rock samples
- deeper/older rock layers contain less similar fossils to what organisms we have now
4
Q
charles lyell noted that (fossils):
A
geological change is slow and gradual, rather than fast and catastrophic (uniformitarianism)
5
Q
how can fossils help with homologous structures
A
they can show links between organisms that share common characteristics
6
Q
3 factors of modern paleontology
A
new fossil discoveries
radiometric dating: determining the age of rocks with decay detection
plate tectonic research: earth’s crust movement/changes
7
Q
what is biogeography
A
the geographical distribution of organisms
