Concept explainers
Introduction:
Chemoautotrophs are organisms that obtain their energy from
Answer to Problem 1STP
Correct answer :
The correct answer is option B deep-ocean volcanic vent.
Explanation of Solution
Explanation/justification for the correct answer :
Option B deep ocean volcanic vent. Organisms such as bacteria, methanogenic archaea bacteria, etc. love in deep-sea vents and utilize sulfur (elemental form), hydrogen sulfide, manganese, molecular hydrogen, iron, and ammonia as their source of energy. Chemolithotrophs use reduced chemical species as their energy source to generate organic carbon after the reduction of carbon dioxide.
Explanation for incorrect answer :
Option A. Coral reef houses microorganisms that are free-living and associated with some host (pathogenic or symbiotic), and diazotrophs that fix nitrogen in its elemental form to produce ammonia.
Option C. Mountain lakes possess a rich diversity of microorganisms that are autotrophic, heterotrophic, and
Option D. Bacteria, actinomycetes,
Chapter 19 Solutions
Biology Illinois Edition (Glencoe Science)
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