Match the terms to their definition. 1. analogous small or underdeveloped 2. embryo having a similarity attributable to a common ancestor 3. homologous the beginning or developing stage of an organism 4. morphology form and structure of an organism or any of its parts 5. vestigial being related or showing a close similarity

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.