nitrogen that cannot be used by organisms
That would be the color white. It is due to all the colors being reflected equally. To see colors we are actually seeing the color that is being reflected by the object while others are absorbed.
Which term best describes movement in a specific direction?
Answer - Vector
While most carnivores hunt and kill their prey, scavengers usually consume ... Herbivores, or organisms that consume plants and other autotrophs, are the second trophic level. ... They keep an ecosystem free of the bodies of dead animals.