Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 38, Problem 3CQ
Summary Introduction
To explain: The reasons for the growth of lush green tropical forests on thin soil from which nutrients have been leached due to heavy rainfall.
Introduction: Leaching is the process by inorganic ions, minerals and nutrients are removed from different kinds of soil due to percolation of water through the materials. The fertility of the soils can be reduced to heavy rainfall because of the leaching of a large number of nutrients from the soil. These nutrients enhance the growth of aquatic plants and algae.
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Chapter 38 Solutions
Biology
Ch. 38.1 - Prob. 1CCCh. 38.1 - Prob. 2CCCh. 38.2 - Prob. 1CCCh. 38.2 - How might soil crusts influence the ecology and...Ch. 38.2 - Prob. 3CCCh. 38.2 - Prob. 1EQCh. 38.2 - Prob. 2EQCh. 38.3 - Prob. 1CSCh. 38.3 - Prob. 2CSCh. 38 - Which of the following substances can limit plant...
Ch. 38 - In what form do plants take up most soil minerals?...Ch. 38 - Prob. 3TYCh. 38 - Soil organic matter provides the benefit of a....Ch. 38 - Prob. 5TYCh. 38 - Which property is not characteristic of clay-rich...Ch. 38 - Prob. 7TYCh. 38 - Prob. 8TYCh. 38 - Prob. 9TYCh. 38 - Which plant uses a passive trap to obtain animal...Ch. 38 - Prob. 1CQCh. 38 - Prob. 2CQCh. 38 - Prob. 3CQCh. 38 - Prob. 1COQCh. 38 - Prob. 2COQ
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- Draw a diagram illustrating how latent heat flux is driven by humidity gradients between the inside of a stomatal cavity, the leaf surface and the bulk atmosphere.arrow_forwardTropical rain forests are known for their high primary productivity. Which set of conditions allows this to be true? Low moisture, high temperature, intense solar radiation High moisture, high temperature, intense solar radiation High moisture, moderate temperature, weak solar radiation Moderate moisture, moderate temperature, moderate solar radiationarrow_forwardClimate change due to the increasingly rapid levels of greenhouse gases (particularly CO2) in our atmosphere is a serious current global concern. How might Stomatal density serve as a bio-indicator for monitoring the response of plants to changes in greenhouse gas concentrations in the future? (Hint: How does Stomatal density vary with CO2 concentration?)arrow_forward
- Science has rarely documented long-term, soil-based productivity decline in forested ecosystems due to forest harvesting as normally practiced. Where it has been documented, some common themes have emerged. Identify what types of soil conditions might first succumb to forest harvesting. What management techniques might tend to harm productivity, especially in the long-term? Be sure to explain your answers.arrow_forwardThe transition from freshwater to sea water creates unique biogeochemical properties found in estuaries. Describe some of the adaptations used by saltmarsh plants and mangroves to survive these conditionsarrow_forwardAll of the following are reasons why tropical rain forests less likely to grow back as secondary growth forests after widespread deforestation (when compared to temperate forests) EXCEPT: Question 25 options: - All of the above are significant reasons why tropical rain forests may not grow back after widespread deforestation. The soil of tropical rain forests contains much less organic matter and nutrients compared to the soil of temperate forests. - The trees in tropical rain forests are largely responsible for returning water vapor back to the atmosphere through evapotranspiration, so when they are gone, the rains come less frequently. - A larger percentage of the nutrients in a tropical rain forest system are stored in the trees themselves than in temperate forests. - Almost all tropical rain forest species are wind-pollinated, which is less reliable than insect-pollination so tree reproduction is affected more by “chance.”arrow_forward
- Plant Community in which pumpkin and peatmoss grows and outline two types of interactions which might be seen associated with the plant in the natural community.arrow_forwardExplain photoperiodism, nastic and tropism movements with examples.arrow_forwardExplain how the movement of water molecules from inside the roots to the air space around the mesophyll cells in the leaves is an example of an emergent property.arrow_forward
- Explain the pressure-flow hypothesis by first completing the statements with the terms provided, and then rearranging the statements so that they appear in chronological order. Once sentences are complete, drag & drop the labels below into the correct order. sink phloem parenchyma source xylem active transport photosynthesis diffusion turgor pressure Reset XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX The water and sugar solution flows along the pressure gradient toward a Lowered turgor pressure causes water to return to the xylem by Sugar molecules move into the sieve tubes of the by Leaf cells (the molecules through, ) produce sugar Sugar molecules are moved by active transport from the phloem to storage cells in the root. Water from the and causes increases in enters the phloem sugar molecules water moleculesarrow_forwardWhich statement is correct? None of the statements are correct. On a very still (little wind) day, the microclimate at the leaf surface has a low water potential, thus there is little transpiration loss. On a very windy day, the microclimate at the leaf surface has a high water potential, thus there is a lot of water lost via transpiration. On a very still (little wind) day, the microclimate at the leaf surface has a high water potential, thus there is little transpiration loss.arrow_forwardDescribe the development of major horizon in soilarrow_forward
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