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Which of the following is not an advantage to seed-based reproduction?
Reserve food material is provided for the developing embryo.
Seed coat protects the embryo and allows it to remain dormant until favourable environmental conditions are available.
The amount of energy spent per female gametophyte is less than that spent on making a spore.
The female gametophyte remains on the sporophyte which provides protection and nourishment.
Answers (1)
The statement "The amount of energy spent per female gametophyte is less than that spent on making a spore" is not an advantage to seed-based reproduction. In seed-based reproduction, the female gametophyte is developed within the ovule, which is protected and nourished by the parent plant. This process requires more energy investment compared to the production of a simple spore.
In contrast, spore-based reproduction involves the production of small, single-celled spores that are dispersed into the environment. These spores are typically less energetically costly to produce compared to seeds. However, spores have disadvantages such as being more susceptible to desiccation and lacking the protective structures and resources provided by seeds. Hence, the correct answer is option 3.
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