Are a group of cells working together to perform one or more specificc
functions.

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

How does natural selection change thephenotypes within a population over time?

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated