PLEASE HELP. WILL GIVE BRAINLIEST. What role do decomposers play in an ecosystem? Be sure to refer to the biogeochemical cycles.

Is there any solid scientific evidence that humans have been cloned?

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

If a grape were placed in a hypertonic solution what would happen and why?