Cells are the most simple level of organization, as tissues contain cells, organs contain tissues and systems contain organs, so R would be your answer.
Answer:
Carbon, Oxygen, Hydrogen And Nitrogen - Have In Common? They All Have The Same Number Of Valence Electrons. They All Have Unpaired Electrons In Their Valence Shells. They Are Elements Produced Only In Living Cells.
Answer:
true
Explanation:that going to be the first symptom you first get when your sick.
The hawk, a carnivore (animal meat-eater), is predating on the rabbit, an herbivore (plant-eater). So the hawk can be seen as the predator and the rabbit as the prey.
But another type of relationship important in Ecology is consumers. So producers are the plants that feed a food web. That makes the rabbits the primary consumers (herbivores) of these plants. Then the hawks become the secondary consumers (carnivores) of the primary consumers, by eating the herbivores.
Hope that this makes sense!
