Biological evolution by natural selection is when genes individuals and populations a. evolve; mutate; are selected b. are selected; mutate; evolve c. mutate; evolve; are selected d. evolve; are selected; mutate e. mutate; are selected; evolve

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.