In which structure do sperm cells reach maturity ?

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.