Answer:
<h2>D</h2>
Explanation:
Photosynthesis occurs in plants and in some other autotrophs, in which they synthesize their food own-self in the presence of sunlight.
They take CO₂ from environment, water from roots and light form sun. Then they produce carbohydrate and O₂.
Chlorophyll capture sunlight and convert this into chemical energy, through which sugars are produced.
Plants produce O₂ which animals use in their respiration.
<span>Some kinds of living things undergo sexual reproduction at times when conditions in their environment become less favorable in order to increase genetic diversity, which might confer an adaptive advantage on individual organisms.</span>