Because they are usually more sedentary than animals, plants generally require more a. genes devoted to biosynthesis pathways. b. genes related to cell-to-cell communication. c. genes involved in defense against natural enemies. d. genes involved in photosynthesis. e. noncoding DNA.
C
The correct answer is d. genes involved in photosynthesis.
Photosynthesis is the primary process by which plants produce their own food using sunlight, carbon dioxide, and water. As a result of their sedentary nature, plants require a significant amount of energy to carry out metabolic processes and sustain growth and reproduction. Thus, genes involved in photosynthesis have evolved to be crucial for plant survival, growth, and reproduction.
While genes related to cell-to-cell communication and defense against natural enemies are important for plants, they are not as critical as photosynthesis genes. Plants rely on a variety of defense mechanisms, such as chemical compounds and thorns, to protect themselves against predators, pathogens, and environmental stresses. Similarly, cell-to-cell communication in plants is primarily mediated by hormones and signaling molecules, which do not require a large number of genes.
In summary, plants require genes involved in photosynthesis to sustain their energy requirements and are typically more abundant than genes related to other processes.
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