Explanation:
Chloroplasts contain chlorophyll and thylakoids, where light reactions occur, and stroma for the Calvin cycle. They convert light energy to chemical energy.
Explanation:
Self-pollination (autogamy) occurs within the same flower. Geitonogamy is pollination between different flowers of the same plant, functionally cross-pollination. Xenogamy is between different plants. Self-pollination leads to genetic uniformity.
Explanation:
Calcium phosphate (hydroxyapatite) gives bones and teeth their hardness. Phosphorus is also a component of ATP, DNA, and cell membranes. Dairy products, meat, and nuts are good sources.
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