Answer:
Organ- a group of tissues that work together to perform a common function
Organism- a living thing that is made out of organ systems
Organ system- a group of organs that work together
cell- the basic unit of structure and function of living things
Tissue- a group of cells that work together to perform a common function
Explanation:
Answer:
the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
During photosynthesis, light energy, combined with water and CO2 gas, make a sugar called glucose.
Glucose has to go through another process called cellular respiration in order for the glucose to be changed into usable energy that would be useful for the plant.
Pray this helps you. :)
1 reason is to kill disease in water
