I think it is D. You experience increase in breathing rate to obtain more oxygen which is delivered to cells through the bloodstream
Answer:<u><em>When water freezes, it contracts, decreasing the water level in a lake. Water in a lake freezes from the bottom up, killing most aquatic organisms. When water in a lake freezes, it floats, providing insulation for organisms below.</em></u>
Explanation:
System purifies the body by the elimination of waste products. This system enables breathing, supplies the body with oxygen, and eliminates carbon dioxide as a waste product. This system serves as a productive covering for the body and helps in temperature regulation.
Answer:
Human impacts on marine ecosystems. Human activities affect marine ecosystems as a result of pollution, overfishing, the introduction of invasive species,and acidification, which all impact on the marine food web and may lead to largely unknown consequences for the biodiversity and survival of marine life forms.
