QUESTION 2 Which of these had not yet happened when this article was
written?
A. Ethanol had been identified as a potential alternative to
fossil fuel.
B. Researchers began working on a project to map the corn
genome.
C. Companies started using sunflower seeds to make
sunflower oil.
D. Researchers successfully produced a hybrid sunflower
species.

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?