Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 46, Problem 14RQ
Organisms that can make their own food using inorganic molecules are called:
- autotrophs
- heterotrophs
- photoautotrophs
- chemoautotrophs
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Chapter 46 Solutions
Biology 2e
Ch. 46 - Figure 46.8 Why do you think the value for gross...Ch. 46 - Figure 46.10 Pyramids depicting the number of...Ch. 46 - Figure 46.17 Which of the following statements...Ch. 46 - The ability of an ecosystem to return to its...Ch. 46 - A re-created ecosystem in a laboratory environment...Ch. 46 - Decomposers are associated with which class of...Ch. 46 - The primary producers in an ocean grazing food web...Ch. 46 - What term describes the use of mathematical...Ch. 46 - The position of an organism along a food chain is...Ch. 46 - The loss of an apex consumer would impact which...
Ch. 46 - A food chain would be a better resource than a...Ch. 46 - The weight of living organisms in an ecosystem at...Ch. 46 - Which term describes the process whereby toxic...Ch. 46 - Organisms that can make their own food using...Ch. 46 - In the English Channel ecosystem, the number of...Ch. 46 - What law of chemistry determines how much energy...Ch. 46 - The mussels that live at the NW Eifuku volcano are...Ch. 46 - The movement of mineral nutrients through...Ch. 46 - Carbon is present in the atmosphere as ________...Ch. 46 - The majority of water found on Earth is: ice water...Ch. 46 - The average time a molecule spends in its...Ch. 46 - The process whereby oxygen is depleted by the...Ch. 46 - The process whereby nitrogen is brought into...Ch. 46 - Which of the following approaches would be the...Ch. 46 - How would loss of fungi in a forest effect...Ch. 46 - Compare and contrast food chains and food webs....Ch. 46 - Describe freshwater, ocean, and terrestrial...Ch. 46 - Compare grazing and detrital food webs. Why would...Ch. 46 - How does the microcosm modeling approach differ...Ch. 46 - How do conceptual and analytical models of...Ch. 46 - Compare the three types of ecological pyramids and...Ch. 46 - How does the amount of food a warm-blooded animal...Ch. 46 - A study uses an inverted pyramid to demonstrate...Ch. 46 - Describe what a pyramid of numbers would like if...Ch. 46 - Describe nitrogen fixation and why it is important...Ch. 46 - What are the factors that cause dead zones?...Ch. 46 - Why are drinking water supplies still a major...Ch. 46 - Discuss how the human disruption of the carbon...
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- Which of the following is an organism that obtains its energy from the transfer of electrons originating from chemical compounds and its carbon from an inorganic source such as CO2? photoautotroph Chemoheterotroph Chemoautotroph Photoheterotropharrow_forwardWhich of the following is NOT true about chemoheterotrophs? Which of the following is NOT true about chemoheterotrophs? Use organic compounds as a source of both carbon and energy Can use light for energy and CO2 as a source of carbon Oxidize organic compounds (e.g., glucose) to generate ATP They are ultimately dependent on autotrophs to provide their carbon and energy None of the other four answers (all are true of chemoheterotrophs)arrow_forwardIdentify which of the following are autotrophs, and which are heterotrophs. ________1.Grass ________2. Dais________3. Plankton ________4. Bee ________ 5.Seaweed ________ 6. Horse ________ 7. Human Being ________ 8. lichen ________ 9. Narra ________ 10. Rhodoferax ________ 11. Cat ________ 12. Caterpillar ________ 13. Ringworm ________ 14. Malunggay ________ 15. Kelparrow_forward
- Which of the following would be an example of a microbial chemoautotroph? A yeast using oxidation/reduction of organic compounds as the energy source and organic compounds as the carbon source. An archaean using oxidation/reduction of inorganic compounds as the energy source and a organic compounds as the carbon source. A cyanobacterium using light as the energy source and CO2 as the carbon source. A bacterium using oxidation/reduction of inorganic compounds as the energy source and CO2 as the carbon source.arrow_forwardOrganisms which use light as an energy source and carbon dioxide as a source of carbon are called and organisms which require preformed organic molecules as a source of carbon and energy are called 1.photoheterotroph:chemoautotroph 2. chemoautotrophs, chemoheterotrophs 3. obligate anaerobe; obligate capnophile 4. photoautotrophs; chemoheterotrophsarrow_forwardRead the following article. ASK MR. GREEN: Organic Produce versus Nonorganic Produce Dear Mr. Green: Lately I see more and more "organic" fruits and vegetables in the supermarkets. I'm confused. Often the organic apples or strawberries aren't as red or as large as the other ones. They sometimes have spots or insect holes. And organic produce can cost three times as much as other produce! So, tell me, what exactly are organic fruits and vegetables? And why are they so expensive? Confused Shopper Now Read Mr. Green's answer. Dear Confused Shopper, You're right. Sometimes organic produce doesn't look as nice as nonorganic produce, and it generally costs up to 50 percent more. Let me explain why. Since about 1950, farmers have used chemicals to grow their fruits and vegetables. They use pesticides to kill insects that eat their plants. They use herbicides to kill the weeds that kill their plants. These chemicals are a great help to farmers. By using them, farmers can grow more produce on…arrow_forward
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