Answer:
hey! hope this helps love!
Dark reaction means that light is not necessary for this part of photosynthesis. In the dark reaction, CO2 from the atmosphere is fixed or becomes part of a carbohydrate dioxide into the form of carbohydrates-organic molecules used as food for the plant. This process is called the Calvin Cycle.
Explanation:
it consists of mouth, pharynx, gullet, stomach, small intestine, large intestine, appendix, colon, rectum, and anus.
All these parts are found in most vertebrates
