Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 30, Problem 4FTB
The shallow portion of a large freshwater lake is called the __________. Photosynthetic plankton are called _____________; nonphotosynthetic plankton are called ________. The open-water portion of a lake is divided into two zones, the upper and the lower ___________. Lakes that are low in nutrients are described as ________. Lakes high in nutrients are described as ________. The most diverse freshwater ecosystems are ___________.
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Chapter 30 Solutions
Biology: Life on Earth (11th Edition)
Ch. 30 -
1. Which of the following does not characterize...Ch. 30 - The biome that is mostly covered by grass and...Ch. 30 -
3. The part of a freshwater lake that typically...Ch. 30 -
4. Which of the following is True about ocean...Ch. 30 - 5. As the global climate warms, which of the...Ch. 30 -
1. The tilt of Earth on its axis produces...Ch. 30 - Of the four major requirements of life, which are...Ch. 30 -
3. The most biologically diverse terrestrial...Ch. 30 - The shallow portion of a large freshwater lake is...Ch. 30 - The primary producers of the open ocean are mainly...
Ch. 30 - Explain how air currents contribute to the...Ch. 30 - Prob. 2RQCh. 30 - Explain why traveling up a mountain in the...Ch. 30 -
4. Where are the nutrients of the tropical...Ch. 30 - List some adaptations of desert cactus plants and...Ch. 30 - Prob. 6RQCh. 30 - Prob. 7RQCh. 30 - Prob. 8RQCh. 30 -
9. What environmental factor best explains why...Ch. 30 - Where is life in the oceans most abundant, and...Ch. 30 -
11. Distinguish among the littoral, limnetic, and...Ch. 30 - Prob. 12RQCh. 30 - 13. Compare the source, transition, and floodplain...Ch. 30 -
14. Distinguish between the photic and aphotic...Ch. 30 - Fairbanks, Alaska, the plains of eastern Montana,...Ch. 30 -
2. Using Figures 30–3 and 30–4 as starting...
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- The pelagic zone of the ocean is the area of the ocean that is neither close to the bottom nor close to land. There are a wide variety of organisms that inhabit the pelagic zone. Phytoplankton float along the surface, using photosynthesis to produce food. Zooplankton are tiny organisms that float in the surface waters and feed on the abundant phytoplankton. Krill, small crustaceans, also feed on phytoplankton. They display vertical migration in which they swim at deeper depths during the day and then come up to the surface waters at night to eat. What is the relationship between zooplankton and krill? a) Symbiosis b) Competition c) Parasitism d) Commensalism e) Mutualismarrow_forwardWhy is the tundra treeless? a. lack of sufficient water b. permanently frozen ground c. winters too harsh d. too many firesarrow_forwardEmergent vegetation grows in the __________ zone of freshwater lakes, (a) littoral (b) limnetic (c) profundal (d) neritic (e) intertidalarrow_forward
- The _______________ is open ocean from the shoreline to a depth of 200 m. (a) benthic environment (b) intertidal zone (c) neritic province (d) oceanic province (e) aphotic regionarrow_forwardThe process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called _________. a. dead zoning b. eutrophication c. retrophication d. depletionarrow_forwardEntangles fish, marine mammals, and sea birds, preventing them from feeding or causing them to drown. Dead zones: algal blooms consume oxygen, kills shellfish and displaces fish. Poisonous algae and countless plants and animals have invaded harbor waters and disrupted the local ecological balance. Destruction of coral reefs. Of the seventeen major world fisheries, four are depleted and the other thirteen are either fished to capacity or over-fished. Ghost nets: lost or discarded fishing nets keep on fishing. Nitrogen and phosphorus from sources such as fertilizer, sewage and detergents, enter coastal waters. Invasive species, such as zebra mussels. Cruise ships and tourists. Commercial marine fisheries. 01 S ITEM BANK: M 2arrow_forward
- More about zonation Click on the question marks to change them to a check mark for each statement that is TRUE or a blank box if the statement is NOT TRUE about vertical zonation. Kelps and corraline algae can be found along the lower intertidal and subtidal zones. ? The lower intertidal is dominated by seaweeds. The first stage of ecological succession in the rocky intertidal is the establishment of bacteria and microscopic algae. Green, brown and red algae on the upper intertidal are able to fix nitrogen from the air. The effect of a keystone species can easily be judged by how abundant it is.arrow_forwardWhat's the difference between oligotrophic lakes and eutrophic lakes? Describe how "and what happens to the lake when human activities contribute to the formation of one of these types. This is the initial textarrow_forwardDraw a food chain for Puget Sound using these organisms and abiotic components. Some possible organisms to include in the food chain are: herring, marine bacteria, people, phytoplankton, pteropods, krill, oysters, Dungeness crab, salmon, Orcas.arrow_forward
- Analyze how the speed of water flow affects life in a river by writing more or less in the appropriate boxes in the figure.arrow_forwardYou find an unknown species in a fishing net and are not sure where it came from. To keep it in the lab to learn more about it, and find out where it came from, what would be the best approach? Set up an estuary tank because the intermediate salinity is most likely to support life. Carefully monitor temperature, salinity, and oxygen levels to detect quickly if they are not correct. Use freshwater and lab temperatures because a freshwater environment is less stressful than a marine environment. Set up a standard marine tank because salinity and oxygen levels are similar in all marine environments. Set up an environment with low oxygen levels and low light levels to lower stress.arrow_forwardYou will be examining the relationship among organisms inhabiting a small lake. Examine the “Lake Inhabitants” sheet for information about the organisms found in the lake. What biotic and abiotic factors will affect the aquatic plants in the lake? What biotic and abiotic factors will affect the bluegill in the lake? Looking at the organisms associated with the lake, organize them into three trophic groups: producers, consumers, and decomposers. Separate the consumers into three subcategories: herbivores, carnivores, and omnivores. Create 3 different food chains found within the lake. Food chain #1 should contain 3 organisms, food chain #2 should contain 4 organisms, and food chain # 3 should contain 5 organisms. The arrows should point in the direction the energy is flowing through the food chain. You can either use the “>” as your arrow or the Insert Symbol function to insert an arrow into your food chains. As the energy flows through each trophic…arrow_forward
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