Mitosis and meiosis are methods of cell division. which of the following is true of these two methods? a. meiosis involves only one division, while mitosis involves two divisions. b. mitosis involves two or more divisions, while meiosis involves exactly two divisions. c. meiosis involves two or more divisions, while mitosis involves exactly two divisions. d. mitosis involves only one division, while meiosis involves two divisions.

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

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.

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these