Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 8, Problem 32CTQ
Imagine a sealed terrarium containing a plant and a beetle. How does each organism provide
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A student performed an experiment using dry, non-germinating seeds to measure the rate of cellular respiration. She then watered the seeds so they began to germinate and performed the experiment again. Finally, she allowed the same seeds to grow into leafy green plants and performed the experiment one last time. Assuming the mass, temperature, and pressure were kept constant, which experiment would you expect to cause the volume of oxygen to decrease at the fastest rate?
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i. Photosynthetic pigments ii. ATP and NADPH iii. Plants iv. Carbon dioxide
Which one is NOT an example of a decomposer?
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Chapter 8 Solutions
Biology 2e
Ch. 8 - Figure 8.6 On a hot, dry day, plants close their...Ch. 8 - Figure 8.16 What is the source of electrons for...Ch. 8 - Figure 8.18 Which of the following statements is...Ch. 8 - Which of the following components is nor used by...Ch. 8 - What two main products result from photosynthesis?...Ch. 8 - In which compartment of the plant cell do the...Ch. 8 - Which statement about thylakoids in eukaryotes is...Ch. 8 - Predict the end result if a chloroplast’s light-,...Ch. 8 - How are the NADPH and GA3P molecules made during...Ch. 8 - Which of the following structures is not a...
Ch. 8 - How many photons does it take to fully reduce, one...Ch. 8 - Which complex is not involved in the establishment...Ch. 8 - From which component of the light-dependent...Ch. 8 - Three of the same species of plant are each grown...Ch. 8 - Plants containing only chlorophyll b are exposed...Ch. 8 - Which molecule must enter the Calvin cycle...Ch. 8 - Which order of molecular conversions is correct...Ch. 8 - Where in eukaryotic cells does the Calvin cycle...Ch. 8 - Which statement correctly describes carbon...Ch. 8 - If four molecules of carbon dioxide enter the...Ch. 8 - What is the overall outcome of the light reactions...Ch. 8 - Why are carnivores, such as lions, dependent on...Ch. 8 - Why are energy carriers thought of as either...Ch. 8 - Describe how the grey wolf population would be...Ch. 8 - How does the closing of the stomata limit...Ch. 8 - Describe the pathway of electi on transfer from...Ch. 8 - What are the roles of ATP and NADPH in...Ch. 8 - How and why would the end products of...Ch. 8 - Why is the third stage of the Calvin cycle called...Ch. 8 - Which part of the light-independent reactions...Ch. 8 - Why does it take three turns of the Calvin cycle...Ch. 8 - Imagine a sealed terrarium containing a plant and...Ch. 8 - Compare the flow of energy with the flow of,...
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- Fungi (as well as bacteria and various animals) are major decomposers. What would the world be like if there were no decomposers of any kind?arrow_forwardWrite a note on the negative feedback mechanism and positive feedback back mechanism with two examples of each in the form of a flow chart?What is biodiversity?Why is protecting biodiversity important?What Are the Major Threats to Biodiversity?Which organelle of cell initates cell division?: What is cell division and described its importancearrow_forwardWhy do you think these organisms would thrive more time as time passes by?arrow_forward
- There are 2 ideas for where life started. Describe both of them in terms of why or why not they are feasible.arrow_forwardWhich of the following is NOT a characteristic of living things? a.)they reproduce b.)they respond to stimuli c.)they need materials and energy d.)they grow by the accretion of sedimentsarrow_forwardMy question is about cellular respiration. If you test how much CO2 is produced comparing germinating mung beans vs mealworms, what kind of results would you expect to see and why?arrow_forward
- Coral reefs are unique, living structures. Even though they appear to be hard, rock-like structures, the soft-bodied coral animals that build the elaborate, hard, rock-like reef structures around themselves live inside. Corals are unique animals because they have photosynthetic algae that live inside their cells. This unique relationship is beneficial to the algae since it has a safe place to live inside the coral cells, and it is beneficial to the coral since the algae are producing food via photosynthesis. From the description above, what type of symbiosis is described, and at what ecological level does this relationship exist? The relationship is an example of parasitism, and it exists at the community level. The relationship is an example of mutualism, and it exists at the community level. The relationship is an example of commensalism, and it exists at the community level. The relationship is an example of mutualism, and it exists at the…arrow_forwardWhy In ponds where there are viable fish and plant populations, algae are seldom seen. Explain. People who have backyard ponds often keep snails and tadpoles in the ponds. Explain the purpose of these organisms.arrow_forwardWhat do you think is its main purpose of this picture?arrow_forward
- Food webs are helpful diagrams to understand the relationships of organisms within a biological community. Answer the following questions using the food web below. Baleen whale Smaller toothed Sperm whale whales Penguins Elephant seal Leopard seal Other birds Fish Other seals Squid Krill Other herbivorous zooplankton Carnivorous zooplankton Phytoplankton The phytoplankton transforms light energy into 100,000 kcal (by photosynthesis of course). How much energy would you expect to be available in the elephant seal's food if the elephant seal eats the squid, which eats krill, which eats phytoplankton? O 100 kcal 100,000 kcal 10,000 kcal 10 kcal 1,000 kcalarrow_forwardWhich of the following is NOT a question suitable for scientific inquiry? Select an answer a Which fossil fuel is the dirtiest to burn? b Is it ethical to put heavily polluting industries in low-income neighborhoods? c Does the burning of fossil fuels contribute to global warming? d Does the use of renewable energy sources contribute to ozone depletion?arrow_forwardThe Scientific Method Each sentence below describes a step of the scientific method. Match each sentence with a step of the scientific method listed below. A. recognize a problem B. form a hypothesis C. test the hypothesis with an experiment D. draw conclusions 1. Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted. 2. Susan said, "If I fertilize my geranium plants, they will blossom." 3. Jonathan's data showed that household cockroaches moved away from raw cucumber slices. 4. Rene grew bacteria from the mouth on special plates in the laboratory. She placed drops of different mouthwash on bacteria on each plate. 5. Kathy used a survey to determine how many of her classmates were left-handed and how many were right-handed. 6. Dana wanted to know how synthetic fibers were different from natural fibers. 7. Edward saw bats catching insects after dark. He asked, "How do bats find the insects after dark?" 8.…arrow_forward
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