Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 30, Problem 14RQ
Distinguish between the photic and aphotic zones of the ocean. How do organisms in the photic zone obtain nutrients? How are nutrients obtained in the aphotic zone?
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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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- Every type of organism in the upper ocean contributes to both recycling of organic matter and sinking of organic matter. Briefly describe 2 interactions between organisms that result in both the recycling and sinking of organic matter. a) Interaction 1: - Brief description of how this interaction results in both the recycling of organic matter in the upper ocean and the sinking of organic matter: b) Interaction 2: - Brief description of how this interaction results in both the recycling of organic matter in the upper ocean and the sinking of organic matter:.arrow_forwardThe key source of food for organisms living on the abyssal plain is... a) Descending photosynthetic productivity from the photic zone. b) Chemosynthetic productivity transported by turbidity currents. c) Local chemosynthetic productivity. d) Local photosynthetic productivityarrow_forwardWhat is the main way that living organisms contribute to the water cycle?arrow_forward
- a) Each trophic level, on average, will move 10% of the energy tied up in molecules to the next trophic level. How much of the energy from the sun is actually brought in to the first trophic level? b) When the producers convert energy and tie it up in the first trophic level, it is brought in as heat. True or false? c) Which of the following are true about ecosystems? Check all that apply. They contain both living and nonliving components.They contain both living and nonliving components. There is a transfer of energy through the system and some energy is lost as heat energy.There is a transfer of energy through the system and some energy is lost as heat energy. Nutrients repeatedly cycle through the ecosystem.Nutrients repeatedly cycle through the ecosystem. They represent the lowest level of biological organization.They represent the lowest level of biological organization. The ultimate source of energy for most ecosystems is organic molecules.arrow_forwardWhat role do oceans play in the water cycle? They are the main site for water infiltration into the soil, supporting underground aquifers and maintaining soil moisture levels They primarily act as a storage reservoir for groundwater and contribute minimally to atmospheric moisture They serve as the primary source of evaporation, which contributes to the formation of clouds and precipitation They absorb water vapor directly from the atmosphere and help regulate global humidity levelsarrow_forwardWhich of the following is true of oligotrophic lakes?arrow_forward
- Nutrient cycling in aquatic vs terrestrial systems differ because: a) Aquatic systems store lower proportions of carbon and nutrients in detritus than terrestrial systems b) Water flow alters how nutrients move within streams, which affects nutrient retentiveness c) both d) neitherarrow_forwardWhy is it important that decomposers such as bacteria release nutrients?arrow_forwardWhich of the following is a characteristic of terrestrial biomes? CHECK ALL THAT COULD APPLY A)annual average rainfall in excess of 25 cm B)they show strong latitudinal patterns C)specific microorganisms, fungi and animals D)the presence of photosynthetic organisms E)vegetation demonstrating vertical stratificationarrow_forward
- The 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_forwardName: Period: Date: The Water Cycle The water cycle, also known as the hydrologic cycle, is the movement of water between the ocean, the atmosphere, land, and living things. Since the water cycle is truly a "cycle," there is no beginning or end. Heat energy from the sun drives the water cycle. Main processes of the water cycle are evaporation, transpiration, condensation, precipitation, and runoff. Lake 1. The processes involved in the water cycle are labeled with letters A-G in the diagram. Use the words below to identify each process and write it on the lines provided. condensation root uptake percolation evaporation A runoff transpiration precipitation F D A D Farrow_forwardStudies of the deep subsurface have also identifiedheterotrophic populations. What types and sources ofnutrients are available to those organisms?arrow_forward
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