Word Definition organisms the gain energy from sunlight and carbon from CO₂ organisms that gain both energy and carbon from organic molecules taken up from the environment organisms that gain energy from sunlight and carbon from organic molecules taken up from the environment organisms that gain energy from chemical reactions and carbon from CO2
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- A fish living in a shallow lake is : photoheterotroph / photochemotroph / chemoheterotrophMatch each organism with its most correct descriptor: A microbe that uses light energy in order to convert CO2 into organic carbon A microbe that uses light energy to break down organic compounds for further use in biosynthesis A microbe that uses the energy of sulfate reduction to convert CO2 into organic carbon [Choose] [Choose ] [Choose ] A microbe that can grow using only glucos✔ [Choose ] in the dark Photoautotroph Photoheterotroph Chemoheterotroph ChemoautotrophOrganism that depend on an external source of organic compounds are called heterotrophs. options: True False
- Give at least 2 significant examples of chemical reactions that falls on change in intrinsic properties and production of light. Enumerate chemical reaction that may bring benefit or harm to life as well as to environment. Give 1 example for beneficial and 1 for harmful.Topic: HEAT ENGINES, HEAT PUMPS & THERMAL EFFICIENCY Thermal pollution endangers the survival of plants and animals. Above 25ᵒC, some species can survive only a few hours. What solutions have been made by some factories and power plants to reduce thermal pollution?Which of the following types of organisms use an organic source of carbon? a photoautotroph a photoheterotroph a chemoautotroph and a chemoheterotroph a chemoautotroph
- Which of the following describe an autotroph? Select all that apply. An autotroph is a producer. An autotroph is an organism that obtains carbon from organic compounds assembled by other organisms. An autotroph is an organism that makes its own food using energy from the environment and carbon from inorganic molecules. Autotrophs are consumers.The figure shows stratification of microbial layers in a Winogradsky column (a method used to simulate environments similar to microbial mats observed in nature). Cyanobacteria and algae Nonsulfur photosynthetic bacteria (e.g., Rhodomicrobium) Purple photosynthetic bacteria (e.g., Chromatium) Green photosynthetic bacteria (e.g., Chlorobium) Air Liquid Aerobic zone Microaerophilic zone (Less anaerobic) Anaerobic zone (More anaerobic) Mud mixed with sulfate and carbonate salts and cellulose or other organicsRefer to the description and table below to answer the three question that follow: Dissolved oxygen levels from 3 bottles of algae were recorded. The DO level of bottle #1 was recorded immediately after the algae was collected, the DO level of bottle #2 was recorded after sitting for 20 hours wrapped in tin-foil, and the DO level of bottle #3 was recorded after sitting for 20 hours under a lamp. A heat sink was placed over all of the bottles to ensure that temperature did not have an effect on the results. The following data was collected: Bottle Number D.O. Level 8 #1 #2 1 #3 6 4. How many units of oxygen were used for cell respiration by the algae? d. -2 a. 7 b. 2 c. 5 e. -5
- Breakdown of the items in the image can occur through an anaerobic process to generate a renewable, combustible gas. Which term best describes the microbes that perform this: Select one alternative: Bacteria O Halophiles O Algae Methanogens O YeastsRefer to the description and table below to answer the three question that follow: Dissolved oxygen levels from 3 bottles of algae were recorded. The DO level of bottle #1 was recorded immediately after the algae was collected, the DO level of bottle #2 was recorded after sitting for 20 hours wrapped in tin-foil, and the DO level of bottle #3 was recorded after sitting for 20 hours under a lamp. A heat sink was placed over all of the bottles to ensure that temperature did not have an effect on the results. The following data was collected: Bottle Number D.O. Level 8 #1 #2 1 #3 6 4. How many units of oxygen were used for cell respiration by the algae? a. 7 b. 2 c. 5 d. -2The term "turbidity" in microbiology refers to: a cloudy appearance in broth, meaning microorganisms did grow a cloudy appearance in broth, meaning microorganisms did not grow a clear appearance in broth, meaning microorganisms did not grow the clump of cells at the top of a broth a clear appearance in broth, meaning microroganisms did grow