BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
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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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__________ .
Which lake zone would be absent in a very shallow lake with good clear water and light can penetrate the entire depth of the lake?
aphotic zone
benthic zone
limnetic zone
littoral zone
Which lake zone would be absent in a very shallow lake?(A) benthic zone(B) aphotic zone(C) pelagic zone(D) littoral zone
Chapter 30 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
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 part of a freshwater lake that typically contains themost abundant plant and animal life is thea. profundal zone.b. aphotic zone.c. limnetic zone.d. littoral zone.arrow_forwardWhich of the following bodies of water has the greatest biomass (mass of living material - plant or animal) hints: The higher the oxygen levels, the greater the biomass. Choose from the following: (A) South China Sea (B) Arctic Oceanarrow_forwardThermal stratification in a lake a. is not modified by fall and spring overturn. b. leads to higher oxygen in deep versus surface waters. c. leads to higher oxygen in surface versus deep waters. d. is reduced when ice forms on the surface of the lake.arrow_forward
- 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_forwardWhat conditions are characteristic of a tundra? hot and wet cold and wet cold and dry hot and dryarrow_forwardHow does hydrology influence the physical character of a place? Select all that apply. Responses Tidal marshes allow for a multitude of flora and fauna. Hydrology studies the ocean currents and water temperature. Floods create new groundwater ecosystems. Fjords, created by glaciation, create deep water for fishingarrow_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_forwardFigure 44.12 Which of the following statements about biomes is false? Chaparral is dominated by shrubs. Savannas and temperate grasslands are dominated by grasses. Boreal forests are dominated by deciduous trees. Lichens are common in the arctic tundra.arrow_forwardWhere would you expect to find the most photosynthesis in an ocean biome? a. aphotic zone b. abyssal zone c. benthic realm d. intertidal zonearrow_forward
- Young lakes are often clear and with little plant life. Such lakes arecalleda. oligotrophic.b. eutrophic.c. lotic.d. lentic.e. pelagic.arrow_forwardAquatic biomes are distinguished primarily by a. their temperatures. b. the speed of their currents. c. their salinity. d. their pH.arrow_forwardWhich is an unseen factor that affects the carrying capacity of the ocean? sunlight space water availability water chemistryarrow_forward
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