Aspecies of insect is newly introduced into the united states from the philippines. this insect becomes established, laying its eggs on the leaves of oak trees. how can a biologist determine if the relationship between the insect and the oak tree is commensalism, mutualism, or parasitism?

15 points come and ! which characteristic describes all bacteria? a rod-shaped b microscopic c multicellular d autotrophic

Regarding most of the narrator’s story, which word best describes the tone?

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.