Match these items. 1. animal without a backbone clastic 2. animal with a backbone recrystallization 3. youngest on top unconformity 4. simultaneous deposition vertebrate 5. comparing rock columns superposition 6. missing rock graded bed 7. rock from particles correlation 8. crystal growth invertebrate

it has one origin of replication, but it proceeds in two directions - d)

biology is the study of life. it is the study of living organism.

is in the form atp or adenosine triphosphate

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs