uity. com/player/ Using Fossils to Understand Earth's History Use what you know about fossils to choose the correct answers from the drop-down menus to complete each statement If the same organism appears on two different continents, this is evidence of Fossils show how organisms change, or over time Fossils provide a record of animals that are or no longer living

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

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.