Which statements accurately describe the roles of producers and consumers? check all that apply.
producers make and sell things.
consumers buy goods and services.
producers buy goods and services.
consumers make and sell things.
producers provide services to consumers.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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.

Bio molecules are essential to all living things. which biomolecule is “d” from the table