About 160 years. After Charles Darwin came out with his theory people have been debating it.
They come from the atmosphere, since plants use carbon dioxide to produce carbohydrates :)
transporación significa sudar
Answer:
Your answer is A.They contain chloroplasts both in the mesophyll and bundle sheath cells.
Explanation:
C4 plants have two types of photosynthetic cells: mesophyll and bundle sheath cells. Mesophyll chloroplasts are randomly distributed along cell walls, whereas bundle sheath chloroplasts are located close to the vascular tissues or mesophyll cells depending on the plant species. The cell-specific C4 chloroplast arrangement is established during cell maturation, and is maintained throughout the life of the cell.
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<span>The male gamete in flowers differ to the animal male gamete because there is 1 animal male gamete whereas there are 2 male gametes in flowers.</span>