Answer:
<em>What are three measures of life variations?</em>
<em>Species diversity, genetic diversity, ecosystem diversity</em>
Explanation:
<em>Biodiversity</em>
<em>The amount of biological or living diversity per unit area. It includes the concepts of species diversity, habitat diversity and genetic diversity.</em>
<u><em>I hope this helps and have a great day!</em></u>
Carbon dioxide fixation in plants occurs at the STROMA.
Carbon dioxide fixation is the first step in the Calvin cycle and it occur in all plants. Carbon fixation is the process by which inorganic carbon is converted to organic compounds by the plants. The process of carbon fixation converts carbon dioxide and ribulose biphosphate into 3 phosphoglycerate.
I believe the answer you're looking for is D. no definite shape or volume. Hope this helps!
Bulbs are the sugar source and roots / tubers are the sugar sink.