The brain and spinal cord work together so the body can receive signals and react to the environment. What is the spinal cord? A) a cell B) a tissue C) an organ D) and organ system

What Contains vascular tissue and reproduce with spores

Annie was recently told that she produces physiologically low level of leptin. What does this mean in terms of her likelihood of becoming obese compared to someone who produces physiologically normal levels of leptin?

7.) based on what you have seen what is the overall chemical equation for cellular respiration?

How might irrigation harm soil and soil organisms? A. It can waterlog the topsoil. B. It can recirculate salts to the topsoil. C. It can leach minerals from the soil. D. It can cause compaction.

What part of cells have the DNA

Over time, natural selection results in species that are what?

With of the following is not an energy source a) monosaccharides B) polysaccharides C) vitamins D) lipids

Scientists evalute if the data fits the hypothesis in this stage of the scientific method: 1 > Hypothesis 2> Observation 3> Experimentation 4> Conclusion

Santos have a standardized definition of life true or false

Which of the following are produced by the process of cellular respiration