The answer for this question should be c because an ecosystem is. Agrassland
Light energy absorbed by chlorophyll is converted into chemical energy. Some of this energy is used to split water into hydrogen and oxygen. Some of the chemical energy is used to make ATP from ADP and phosphate (Pi). This chemical energy is stored as ATP.
The answer is b. <span>A decrease in plant life would cause carbon dioxide levels to increase and oxygen levels to decrease.
</span>In the photosynthesis, plants take carbon dioxide and water
and convert it into glucose and oxygen using the energy of sunlight. A decrease of plant life in the biosphere will increase a level of carbon dioxide in the atmosphere. Fewer plants mean fewer photosynthesis processes, and, thus, decreased levels of oxygen in the atmosphere.
In plants the endosperm is the structure that forms from a triploid nucleus and nourishes the seed when a plant undergoes double fertilization.
