Self-Assessment 5.4

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Which of the following would be the best indicator of food quality for a heterotroph?

The amount of fiber correct incorrect

The soluble carbohydrate content correct incorrect

The water content correct incorrect

The amount of secondary compounds correct incorrect

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Bioremediation of toxic chemical spills takes advantage of which of the following?

Microorganisms have evolved enzymes that allow them, as a group, to use a wide diversity of organic compounds, including toxic pollutants, as energy sources. correct incorrect

Microorganisms can ingest toxic compounds into their cells, preventing environmental harm. correct incorrect

Plants will take up soil pollutants as a source of energy. correct incorrect

Microorganisms secrete chemicals into the environment that transform toxic compounds into less harmful compounds. correct incorrect

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Why might a heterotroph get more benefit from consuming tissues rich in amino acids rather than fats or carbohydrates?

Amino acids have higher energy content than fats and carbohydrates. correct incorrect

Amino acids can be digested more easily than fats and carbohydrates. correct incorrect

The heterotroph may need nitrogen for growth as well as carbon for energy. correct incorrect

The heterotroph may have photosynthetic tissues that enhance energy gain. correct incorrect

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Which of the following would indicate acclimatization of digestion to seasonal changes in the diet of an individual animal?

Having longer absorptive tissue (intestines) in an herbivore compared with a closely related species that is a carnivore correct incorrect

Changing the production of specific enzymes for digestion depending on what is being eaten correct incorrect

The evolution of specialized stomach chambers to help digest food with differing amounts of cellulose correct incorrect

All of the above correct incorrect