A bird stalks, kills, and then eats an insect. Based on its behavior, which pair of ecological terms describes the bird? -herbivore, decomposer
-producer, heterotroph
-carnivore, consumer
-autotroph, herbivore

Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.

Compare the composition of the moon's surface with the composition of the earth's surface.

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?