4 Written questions
4 Multiple choice questions
- What is the number of years it takes for 50% of a radioactive isotope to decay?
- According to what, a severe ice age accounted for the limited diversiy and distribution of multicellular eukaryotes?
- What are aggregates of abiotically produced organic molecules surounded by a membrane?
- What involves the horizontal gene transfers between many bacterial and achael lineages?
4 True/False questions
ribozymes → What are RNA catalysts that may have been used by RNA molecules to catalyze replication?
pangea → The first multicellular organisms were what of autonomously replicating cells in which some cells became specialized?
magnetic reversals → What involves the horizontal gene transfers between many bacterial and achael lineages?
three-domain system → What places the three major evolutionary lineages into a superkingdom taxon?