Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 1SQ
A cat eats a bird, which ate a caterpillar that chewed on a weed. Which organisms are autotrophs? Which ones are heterotrophs?
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Students have asked these similar questions
What might happen if all of the autotrophs on the planet suddenly became heterotrophs?
No organism would be able to collect energy from light or carbon from air, and life would end.
Heterotrophs would get their energy from sunlight.
New autotrophs would arise through exogenesis.
Some heterotrophs would become mesotrophs.
What defines autotrophs (and distinguishes them from heterotrophs)?
Use organic molecules in energy metabolism
Use carbon dioxide in energy metabolism
Use organic molecules in food to biosynthesize organic molecules
Use carbon dioxide to biosynthesize organic molecules
Some prokaryotes are Chemoheterotrophs. Where do these organisms get their energy from?
Group of answer choices
From Light
From Themselves
From Inorganic Chemicals
From Organic sources
Chapter 6 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - A cat eats a bird, which ate a caterpillar that...Ch. 6 - Prob. 2SQCh. 6 - Most of the carbon dioxide that plants use for...Ch. 6 - Which of the following statements is incorrect? a....Ch. 6 - In cyanobacteria and photosynthetic eukaryotes,...Ch. 6 - When a photosystem absorbs light, _______. a....Ch. 6 - In the light-dependent reactions, _______. a....
Ch. 6 - In the light-dependent reactions, what accumulates...Ch. 6 - The atoms in oxygen molecules released during...Ch. 6 - Prob. 10SQCh. 6 - Prob. 11SQCh. 6 - Which of the following substances does not...Ch. 6 - Closed stomata ________. a. limit gas exchange b....Ch. 6 - In C3 plants, ______ makes sugar production...Ch. 6 - Match each term with the best description. ______...Ch. 6 - Prob. 1CTCh. 6 - While gazing into an aquarium, you see bubbles...Ch. 6 - AC3 plant absorbs a carbon radioisotope (as part...Ch. 6 - In 2005, a new species of green sulfur bacteria...
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- Which molecule absorbs the energy of a photon in photosynthesis? a. ATP b. glucose c. chlorophyll d. waterarrow_forwardA cat eats a bird, which ate a caterpillar that chewed on a weed. Which of these organisms are autotrophs? Which ones are heterotrophs?arrow_forwardWhich of the following is not true about photoautotrophs?(a) They require CO2 and light.(b) They synthesize organic molecules from inorganicmolecules.(c) They are a subdivision of heterotrophs.(d) They are a subdivision of autotrophs.(e) All the above are true.arrow_forward
- a mushroom gains its energy by decomposing the tissues of dead organisms. should mushrooms be classified as a autographs, heterotrophs, in both groups, or in neither group. and for what reason?arrow_forwardWhich one is NOT an example of a decomposer? worm fungi leaves moldarrow_forwardAutotrophs are bacteria that obtain their energy through a-The Sun b-Dead organic material c-Chemical reactions d-The production of methanearrow_forward
- What are fossil fuels? Why fossil fuels are considered as conventional energy sources? Explain some ways to increase the life of fossil fuels?arrow_forwardAir contains a chemical element that plants need to survive, but which they cannot harvest for themselves. Some bacteria harvest this element from the air to share with plants. Which element fits this description? Carbon O Argon Oxygen Nitrogenarrow_forwardDead organic matter commonly decomposes in a pattern that follows a negative exponential curve. Scientists wanted to compare the decomposition rates of leaves from cherry trees and maple trees. The scientists placed bags of leaves from each type of tree into a stream and retrieved the bags over time. The scientists repeated the experiment three times. The scientists calculated and graphed the mean amount of litter remaining of each leaf type at all time points. When plants decompose, the dead plant matter first leaches substances such as salts, sugars, and amino acids. After this leaching, one compound left behind is lignin. Lignin gives leaves their toughness and resists decomposition. Leaf mass remaining (grams) 1004 75+ 50- 25- O 25 50 75 Time (days) Maple Cherry 100 Select the statement the data support about the rate of leaf decomposition and the amount of lignin present in leaves. O Since the maple leaves decompose the slowest, they have a greater amount of lignin. O Since the…arrow_forward
- A cycle diagram is a variation on the process diagram in which the process repeats itself. So it's a good idea to make that point in your answer. The diagram below illustrates the carbon cycle in nature. Write a 150-word description of this diagram for a university lecturer. Sunlight Auto and CO2 cycle factory emissions Photosynthesis Plant respiration Animal respiration Organic carbon Decay organisms Root Dead organisms and waste products respiration Ocean Fossils and fossil fuels uptakearrow_forwardWhich 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_forwardWhat type of energy is available in ecosystems and the biosphere? Can this type of energy be used by humans to maintain the organization of our bodies? Can this type of energy be used by any kind of living thing? For what process?arrow_forward
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