Speciation . Group of answer choices

1. must begin with the geographic isolation of a small, frontier population
2. occurs at such a slow pace that no one has ever observed the emergence
3. of new species occurs only by the accumulation of small genetic changes over
4. vast expanses of time can involve changes to a single gene

The science for classifying and naming organisms is known as

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days. true or false

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a). it must be open to modification if new evidence doesn't completely support it. b). it must be based on scientific observations that can be repeated in a controlled setting. c). it must be applicable to future events and occurrences. d). it must be consistent with only a small portion of relevant observations or data.