If there is no oxygen , the cells go through anaerobic respiration which leads tot he build of lactic acid in the muscles. This is why we get sore and feel the burn during a workout.
Sugar is produced by photosynthesis.
The number of producers is greater then the number of consumers , primary consumers is greater then the number of secondary consumers and the secondary consumers is greater then the number of tertiary consumer
<span>respiratory circulatory digestive</span>
The statistics of weather how hot or cold it is
