QUESTION IMAGE
Question
- base your answer to the question on the diagram and information below and on your knowledge of biology. the diagram represents a germinating bean seed that has been split open. plants are able to continue to grow and develop once the starch supply in the seed is gone, because they
bean plant embryo
seed coat
stored starch
germinating bean seed (split open)
○ develop roots to absorb starch from the environment
○ grow leaves, which use light energy for cell respiration
○ have chloroplasts and use light energy to make more food
○ produce more seeds, which contain additional food reserves
When the stored starch in the seed is exhausted, the bean plant embryo develops leaves with chloroplasts. Chloroplasts enable photosynthesis, where light energy is used to produce glucose (food) from carbon dioxide and water. This self-made food sustains growth. Roots absorb water and minerals, not starch. Leaves use light for photosynthesis (not cell respiration directly). Producing seeds happens later, not when the initial starch is gone.
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have chloroplasts and use light energy to make more food