Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 40.2, Problem 1CC
Why are phytoplankton and not benthic algae or rooted aquatic plants, the dominant photosynthesis organisms of the oceanic pelagic zone?
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In a shallow coastal ecosystem dominated by seagrasses, nutrient limit primary production under low nutrient ( oligrtropihc) conditions while light becomes the limiting factor under high nutrient ( eutrophic) condition. In the conceptual model given explain why sea grasses, macroalgae and poluplantkon are in the position of the graph. Kindly explain your answer
What is the advantage of having a planktonic larval stage for benthic animals such as the sea urchin?
Which among A-D is not a step in the eutrophication process?
A) O rapid growth of algae and cyanobacteria
B) O influx of excess nutrients to an aquatic environment, particularly nitrogen and phosphorous
C) O heterotrophic, aerobic respiration
D) O eventual increase in the numbers of fish and other aquatic life due to the rise m oxygen concentration of the water
E) OA-D are all a part of eutrophication
Chapter 40 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 40.1 - Explain how the suns unequal heating of Earths...Ch. 40.1 - WHAT IF? If global warming increases average...Ch. 40.2 - Why are phytoplankton and not benthic algae or...Ch. 40.2 - Prob. 2CCCh. 40.2 - WHAT IF? Water leaving a reservoir behind the dam...Ch. 40.3 - Give examples of human actions that could expand a...Ch. 40.3 - WHAT IF? You suspect that deer are restricting the...Ch. 40.4 - DRAW IT Each female of a particular fish species...Ch. 40.4 - Imagine that you are constructing a life table for...Ch. 40.4 - Prob. 3CC
Ch. 40.5 - Explain why a constant rate of increase (r) for a...Ch. 40.5 - Explain why a population that fits the logistic...Ch. 40.5 - Prob. 3CCCh. 40.6 - Prob. 1CCCh. 40.6 - WHAT IF? Mice that experience stress such as a...Ch. 40.6 - Prob. 3CCCh. 40 - Which of the following biomes is correctly paired...Ch. 40 - A populations carrying capacity A. may change as...Ch. 40 - When climbing a mountain, we can observe...Ch. 40 - According to the logistic growth equation...Ch. 40 - WHAT IF? If the direction of Earths rotation...Ch. 40 - INTERPRET THE DATA After examining Figure 40.13,...Ch. 40 - SCIENTIFIC INQUIRY Jens Clausen and colleagues, at...Ch. 40 - Prob. 8TYUCh. 40 - FOCUS ON INTERACTIONS In a short essay (100-150...Ch. 40 - SYNTHESIZE YOUR KNOWLEDGE Locusts (a type of...
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- How does the ocean remove carbon dioxide from Earth’s atmosphere? What role do tiny marine organisms, such as foraminifera, play in the removal of carbon dioxide?arrow_forwardClimate change and global warming patterns have caused ocean temperatures to increase over the last 50 years. How would the researchers algae farm help fight climate change? What would be the advantage of the algae farm beyond the production of biofuel?arrow_forwardProtists, mostly those that live in the ocean, perform approximately half of the photosynthesis on Earth. How might their large role in the carbon cycle impact climate change?arrow_forward
- Please add link to answer Phytoplankton like diatoms and dinoflagellates are critical organisms in the world oceans. They are essential primary producers and an important link in energy transfer relationships. How do diatoms and dinoflagellates differ?arrow_forwardHow will the loss of kelp likely change the ecosystem?arrow_forwardThe deep scattering layer is created by which of these: a) seasonal changes in the thermocline O b) mesopelagic nekton O c) abyssopelagic plankton O d) phytoplankton bloomsarrow_forward
- Describe the major members of the planktonic community. Describe the eff ects on the upper trophic levels of declining numbers of phytoplankton.arrow_forwardWhy do regime shifts and the amount of zooplankton matter so mucharrow_forwardZones of marine organisms can usually be seen along rocky shores. How might tidal patterns result in this sort of differential growth?arrow_forward
- What factors might account for the prokaryotic diversity offreshwater lakes?arrow_forwardIn what kinds of marine environments can carbon be buried in large quantities?arrow_forwardCool water, or "deep water" reefs tend to be built by... a) Photosynthetic corals O b) Non-photosynthetic corals O c) Chemosynthetic bacteria O d) Mermaidsarrow_forward
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