Which statement describes characteristics of planarians? They live in oceans, are parasites, and reproduce only sexually.
They live in fresh water, are parasites, and reproduce only asexually.
They live in oceans, are free living, and reproduce sexually and asexually.
They live in fresh water, are free living, and reproduce sexually and asexually.

3. define historiography. has historiography changed over time or stayed the same? why is this distinction important? use complete sentences for your response. (4 points)

How did the growth of railroads american businesses expand

According to ohrp, a problem is an “unanticipated problem” when it meets which of the following criteria: unexpected, related or possibly related to the research, suggests that the research does not put the subjects or others at greater riskunexpected, related or possible related to the research, suggests the research puts subjects or others at greater riskunexpected, unrelated to the research but still occurring with a subject, suggests the research puts others at greater riskexpected, related or possible related to the research, suggests the research puts others at greater risk