Bison grazing on grasses growing in a meadow represent
A) a consumer eating a producer.
B) a predator eating a consumer.
C) anaerobic metabolism.
D) two producers exchanging energy.
Question 2
If ethanol production in the United States continues to increase after 2015, it will need to rely on
A) even more corn that will not be available to feed the hungry people of the world.
B) second-generation biofuel using enzymes that convert cellulose to fermentable sugar.
C) manure and other animal wastes to generate methane, which in turn is used to produce alcohol.
D) any plant material and enzymes that convert sugars into cellulose, methane, and oxygen.
Mold is growing on red/green agar in a divided Petri dish.
Although the Democrats and the Republicans represent slightly different slices of the center, those ...
Producer acquiring energy and nutrients from the environment
Pinworm Eating a Tomato