Xylem vessel, that's the one that transport water and mineral ions up to the plant.
The answer is most likely cellular respiration, but it could possibly be photosynthesis.
Yes, all birds have feathers. About 9,700 kinds of birds live on earth. All birds have feathers and wings but not all birds can fly. Birds have as many as 25,000 feathers and they shed their feathers at least once a year.
Answer:
Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). CO2 is then taken up by algae and terrestrial green plants and converted into carbohydrates during the process of photosynthesis, oxygen being a by-product.
Explanation: