Islands are separated from other landmasses, so the organisms on an island will evolve separately from organisms on the mainland.
When iodine reacts with starch, it is trapped in the starch's helical structure forming a blue-black precipitate. Iodine is not very water soluble, so in making an iodine solution, potassium iodide (KI) is added. This results in the formation of a triiodide complex, which is completely soluble in water.
Biosphere, Ecosystem, Communities, Populations, Organisms, Organ systems, Organs, Tissues, Cells, Organelle.
Answer:
A. They eat nitrogen-containing compounds found in the soil.
Explanation:
Animals get the nitrogen they need by eating plants or other animals that contain nitrogen. When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use.
