Maximum number of species of living things on earth are___________?
Correct answer: C. Insects
- A. Algae
- B. Fungi
- C. Insects
- D. Protozoa
Explanation
Insects constitute the largest number of known animal species because their body plan, small size and reproductive success allow them to occupy many habitats. Fungi are also highly diverse, but their known species count is lower than that of insects.
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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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