They are movement, homeostasis, and energy.
Nitrogen fixing bacteria, like cyanobacteria
Answer:
Green plants get their food from organic components.
Green plants make their own food by the process of photosynthesis. In this process the chlorophyll present in the leaves trap sunlight.
Answer:
With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude. On top of Mount Everest, which is the tallest mountain on Earth, air pressure is only about one-third of the pressure at sea level.
