Explanation:
6co2 + 6 H2O sunlight energy absorpt
----------------------------------- c6h12o6 +6o2
chlorophyll
Each cell is alive even if it is part of a multi celled body, and all living organisms consist of one or more cells. Also, cells reproduce by dividing so it follows that all existing cells must have arisen by division of other cells. As a cell divides it passes it hereditary material- its DNA- to offspring.
Populations tend to grow because of repopulation.
A and b are cells so they definitely are not bacterium so c and d are bacterium I think. Your welcom.
Answer:

✐ A plant that requires a long period of darkness, is termed a "short day" (long night) plant. Short-day plants form flowers only when day length is less than about 12 hours. Many spring and fall flowering plants are short day plants, including chrysanthemums, poinsettias and Christmas cactus.
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