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- 1. Multiple Choice
What is the main purpose of chemosynthesis?
To make chemicals
To make food
To make oxygen
To make sunlight
- 2. Multiple Choice
What are the reactants of chemosynthesis? Reactants are the things needed for a process to occur. (Select ALL that apply)
sunlight
hydrogen sulfide
oxygen
carbon dioxide
water
- 3. Multiple ChoiceWhat is chemosynthesis?Where bacteria use light energy to make glucose.Where plants use light energy to make glucoseWhere bacteria use chemical reactions to make glucose
- 4. Multiple ChoiceWhat is the source of energy for chemosynthesisLight energyChemical energyKinetic energy
- 5. Multiple ChoiceWhat is often used as a reactant in chemosynthesis?OxygenGlucoseCarbon dioxide
- 6. Multiple ChoiceWhere are the places that sulfur bacteria live.Near deep sea volcanic vents and inside tube worms.In soil and roots of some plantsNear volcanic vents and in soil
- 7. Multiple ChoiceWhat do we mean by a symbiotic or mutualistic relationship?Where 2 living organisms live close together and only 1 organism benefits, the other is harmed.Where 2 living organisms live close together and both organisms benefit.Where 2 living organisms live close together and one organism benefits and the other eventually dies.
- 8. Multiple ChoiceSome chemosynthetic bacteria change the hydrogen sulphide from volcanic vents into ...OxygenCarbon dioxideSulfur
- 9. Multiple ChoiceWhere does chemosynthesis occur?In plantsIn animalsAt the bottom of the oceanIn the sky
- 10. Multiple ChoiceWhat is true of chemosynthesis?It was just invented a few years agoIt may be older than photosynthesisIt requires oxygenIt requires sunlight
- 11. Multiple Choice
Molecules and nutrients are converted into organic matter or food, using inorganic molecules, such as:
Methane
Ammonia
Water
Sugar
- 12. Multiple Choice
As a result of chemosynthesis, what is produced?
Carbon Dioxide
Methane
Oxygen
Carbohydrates
- 13. Multiple Choice
Organisms that use chemosynthesis and live in harsh conditions are called ______________
Bacteria
Extremophiles
Acidophiles
Thermophiles
- 14. Multiple Choice
In deep ocean trenches, bacteria produce organic materials from inorganic compounds through the process of
Respiration
Decomposition
Photosynthesis
Chemosynthesis
- 15. Multiple Choice
Some chemosynthetic bacteria live around deep-ocean vents known as
White smokers
Dark smokers
- 16. Multiple Choice
Consumers that depend on these bacteria to produce food for them include giant tubeworms, are known as
Thermophiles
Extremophiles
Chemoautotrophs
Acidophiles
- 17. Multiple Choice
Associations between these organisms and respiring heterotrophs are called ____________
Symbiotic relationship
Asymbiotic relationship
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