The smallest contracting unit of a skeletal muscle is
a: sarcomere
b: motor unit
c: synapse
d: muscle fiber

She planned to observe the flowers for the next five days for an hour at the same time each afternoon. then she wou the data in a multiple line graph to compare the number of bees that visited each flower. which statement best descr data in this investigation?

Which of these organisms have the greatest amount of cell specialized

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain