What is the role of the urinary systern? A. absorb oxygen from the external environment.
B. sends electrical signals throughout the body.
C. moves blood around the body for nutrient/waste, and blood gas exchange.
D. Removes toxins and waste from the blood stream,

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants