Which of the following is NOT an example of how biotic factors interact with abiotic factors in an ecosystem?
A Alion preys on a herd of gazelle.
B Plants remove carbon dioxide from the air and add oxygen.
C Animals cause erosion by digging in the dirt.
D A lizard raises its body temperature by using heat from the Sun.

Babies with very low or very high weight are less likely to survive .

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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.