Nutrition in fungi is___________?
Correct answer: D. Absorptive heterotrophs
- A. Photosynthetic
- B. Chemosynthetic
- C. Completely parasitic
- D. Absorptive heterotrophs
Explanation
Fungi are absorptive heterotrophs: they secrete digestive enzymes onto food outside the body and absorb the soluble products. They cannot normally photosynthesize, and although many fungi are parasitic, not all are, so “completely parasitic” is too narrow. Students may choose that option because disease-causing fungi are familiar, but fungi also include decomposers and mutualistic species.
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About Classification of Biological Molecules
Biological molecules are classified as carbohydrates, lipids, proteins and nucleic acids, with water, minerals and vitamins also supporting cellular processes. The key distinctions involve their monomers, chemical bonds, structures and functions, including glucose and starch, fatty acids and triglycerides, amino acids and polypeptides, and nucleotides in DNA and RNA.
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