13.2 Fossils -> Evolution Flashcards
1
Q
Relative Dating
A
dating by looking as sedimentary rock; strata
2
Q
the lower the layer, the _____ the fossil
A
older
3
Q
Strata
A
compressed layers of rock that are older than the newer sediment that covers it
4
Q
Fossils of transitional forms
A
fossils that exhibit traits common to an ancestral group and its derived descendant group
5
Q
Fossils
A
imprints or remains of organisms that live in the past, and are rarely whole organisms
6
Q
When fossils are whole organisms what are they usually
A
insects or mammoths
