Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 52.2, Problem 1CC
Based on the climograph in Figure 52.10, what mainly differentiates temperate grassland from temperate broadleaf forest?
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The graph shows the rate of transpiration (Est) for four plant species. Nothofagus dombeyi was the species that showed the highest value of
transpiration and is considered a fast-growing pioneer species, while Laureliopsis philippiana had a lower transpiration and is a slow-growing
species to spare. How do these characteristics relate to the transpiration shown on the graph?
0.10
0.08
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0.06
11
0.05
b'
4 0.04
0.03
0.02
N. dombeyi
Est (I cm-2dia-¹)
0.09
0.01
0.00
E. cordifolia
G. avellana
с
L. philippiana
3.0
-2.5
-2.0
1.5
1.0
Ax:Ag (%)
- 0.5
0.0
please Describe the data in Figure 2.
Figure 2. Pre-dawn and midday leaf water potential (Ψleaf) for the two species at different dates throughout the year.
Intraspecific competition is a competition between members of the same species and is commonly observed in crop plants. Table 6.2 shows the results of a greenhouse experiment which examined the effects of density on the germination and growth of barley. Plants were grown for two weeks in 10- cm diameter pots kept in identical environmental conditions and watered regularly. At the end of the experiment the plants were cropped by cutting the stems at the soil surface.
Explain why knowledge of the effects in density is important to the crop farmer.
Chapter 52 Solutions
Campbell Biology (10th Edition)
Ch. 52.1 - Explain how the sun's unequal heating of Earth's...Ch. 52.1 - What are some of the differences in microclimate...Ch. 52.1 - WHAT IF? Changes in Earth's climate at the end of...Ch. 52.1 - MAKE CONNECTIONS Focusing just on the effects of...Ch. 52.2 - Based on the climograph in Figure 52.10, what...Ch. 52.2 - Using Figure 52.12, identify the natural biome in...Ch. 52.2 - WHAT IF? If global warming increases average...Ch. 52.3 - Prob. 1CCCh. 52.3 - Prob. 2CCCh. 52.3 - Prob. 3CC
Ch. 52.4 - Give examples of human actions that could expand a...Ch. 52.4 - WHAT IF? You suspect that deer are restricting...Ch. 52.4 - Prob. 3CCCh. 52 - Suppose global air circulation suddenly reversed,...Ch. 52 - Prob. 52.2CRCh. 52 - Prob. 52.3CRCh. 52 - Interactions between organisms and the environment...Ch. 52 - Level 1: Knowledge/Comprehension 1. Which of the...Ch. 52 - Which lake zone would be absent in a very shallow...Ch. 52 - Prob. 3TYUCh. 52 - Which of the following is characteristic of most...Ch. 52 - The oceans affect the biosphere in all of the...Ch. 52 - Which statement about dispersal is false? (A)...Ch. 52 - When climbing a mountain, we can observe...Ch. 52 - Prob. 8TYUCh. 52 - Prob. 9TYUCh. 52 - Prob. 10TYUCh. 52 - Prob. 11TYUCh. 52 - SCIENTIFIC INQUIRY Jens Clausen and colleagues, at...Ch. 52 - WRITE ABOUT A THEME: INTERACTIONS Global warming...Ch. 52 - SYNTHESIZE YOUR KNOWLEDGE If you were to hike up...
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- What connection and correlation is there between the red-shouldered hawk, the pacific madrone, and the coastal redwood forest. Please cite your explanation.arrow_forwardWe measure species density in plant ecosystems, When random sampling and systematic sampling approach the actual density？Why did your method make sense to you?arrow_forwardThe figure below shows the degree of stomatal opening in three plant species during the course of a single 24-hour day. Comparing Species A and Species B in the figure above, which statement below is correct? Species A and Species B are similar at preventing water lost by transpiration Species A is better at preventing water lost by transpiration Species B is better at preventing water lost by transpirationarrow_forward
- Intraspecific competition is a competition between members of the same species and is commonly observed in crop plants. Table 6.2 shows the results of a greenhouse experiment which examined the effects of density on the germination and growth of barley. Plants were grown for two weeks in 10- cm diameter pots kept in identical environmental conditions and watered regularly. At the end of the experiment the plants were cropped by cutting the stems at the soil surface. In the given context, can you explain thoroughly the meaning of plant density that this passage is talking about?arrow_forwardThis is about ecological sampling methods in estimating plant cover. Define the following: cover, density, and frequency. Then provide the advantages and disadvantages of using each parameter in both grassland and forest community analysis.arrow_forwardI need a completed table by calculating the missing percentages and a constructed line graph for the ash and elm leaves.arrow_forward
- The figure below shows the degree of stomatal opening in three plant species during the course of a single 24-hour day. stomatal opening graph Comparing Species A and Species B in the figure above, which statement below is correct? Select one: Neither Species A or Species B are likely to be a CAM plant Species B is likely to be a CAM plant Species A is likely to be a CAM plantarrow_forwardBased on what you know about tropical forests versus temperateforests, why do you think temperate forest habitats are more suitablefor long-term agriculture, despite the fact that they have a shortergrowing season than tropical forests?arrow_forwardDuring the past 15 years, white-tailed deer populations in Canada have significantly affected woody plants in forest ecosystems. (a) To estimate white-tailed deer populations in four tracts of the Carolinian forest in southern Ontario, 185 white-tailed deer were captured and tagged with bands. After three weeks, 147 deer were recaptured and 26 had bands. Estimate the population size and show your calculations. (b) To further understand the impact of the deer populations on the woody plants, you decide to study the number of birch trees in an area 100 ha x 100 ha. Using a quadrate measuring 2 ha x 2 ha, you obtain the following results from four random counts: 16, 32, 27, and 11. Calculate the average population density and estimate the total population size of birch trees in the area. (c) Justify the decision to use the mark-recapture method for estimating the deer population size and the quadrat sampling method for the birch tree population.arrow_forward
- If only one half of the flora in the world existed in 2110 (perhaps due to deforestation), what do you predict the atmospheric carbon level would be ? How would you change the simulation to reflect this? What is the relationship between increased carbon in the ocean and increased carbon in the soil? How else might carbon be transferred to soil? Using the data generated by the simulation, determine the mathematical relationship between the percentage increase in fossil fuel consumption and the increase in atmospheric carbon. Is the relationship linear?arrow_forwardHow are oak trees distributed within a forest? Provide a summary of the spatial distribution of this specie. Take into account the distribution of individuals at various scalesarrow_forwardIf you compare species richness and evenness along the edge versus in the center of a tree farm and then make the same comparison for a rain forest, what would you expect to find? There would probably be a greater difference in richness but less difference in evenness between the tree farm and the rain forest. There would probably be a greater difference in evenness but less difference in richness between the tree farm and the rain forest. There would probably be about the same difference between the core and the edge in the tree farm versus the rain forest. There would probably be more difference between the core and the edge in the tree farm versus the rain forest. There would probably be less difference between the core and edge in the tree farm versus the rain forest.arrow_forward
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