CAMPBELL BIOLOGY IN FOCUS (LL)-W/MOD.MA
3rd Edition
ISBN: 9780135686065
Author: Urry
Publisher: PEARSON
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Chapter 41.3, Problem 3CC
WHAT IF? Most prairies experience regular fires, typically every few years. If these disturbances were relatively modest, how would the species diversity of a prairie likely be affected if no burning occurred for 100 years? Explain your answer.
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Chapter 41 Solutions
CAMPBELL BIOLOGY IN FOCUS (LL)-W/MOD.MA
Ch. 41.1 - Explain how interspecific competition, predation,...Ch. 41.1 - According to the principle of competitive...Ch. 41.1 - MAKE CONNECTIONS Figure 22.13 illustrates how a...Ch. 41.2 - What two components contribute to species...Ch. 41.2 - How is a food chain different from a food web?Ch. 41.2 - WHAT IF? Consider a grassland with five trophic...Ch. 41.2 - MAKE CONNECTIONS Rising atmospheric CO2 levels...Ch. 41.3 - Why do high and low levels of disturbance usually...Ch. 41.3 - During succession, how might the early species...Ch. 41.3 - WHAT IF? Most prairies experience regular fires,...
Ch. 41.4 - Describe two hypotheses that explain why species...Ch. 41.4 - Describe how an islands size and distance from the...Ch. 41.4 - WHAT IF? Based on MacArthur and Wilsons island...Ch. 41.5 - What are pathogens?Ch. 41.5 - Prob. 2CCCh. 41 - The feeding relationships among the species in a...Ch. 41 - Prob. 2TYUCh. 41 - Prob. 3TYUCh. 41 - Community 1 contains 100 individuals distributed...Ch. 41 - Prob. 5TYUCh. 41 - SCIENTIFIC INQUIRY An ecologist studying plants in...Ch. 41 - FOCUS ON EVOLUTION Explain why adaptations of...Ch. 41 - FOCUS ON INFORMATION In Bateslan mimicry, a...Ch. 41 - Prob. 9TYU
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- INTERTRET DATA Scientists have compiled databases of large forest wildfires in the western United States and compared them to climate and land-surface data. Examine the graph showing wildfire frequency compared to average springsummer temperature. Do you see a correlation? If so, describe it. Based on these data, do you think that climate warming is causing more wildfires? Explain your answer.arrow_forwardIf the human population were to stabilize tomorrow and never reach 8 billion people, would that solve all our environmental problems? Why or why not? What conditions might get better, and what challenges might remain?arrow_forwardWhat makes an ecosystem resilient? Use this sentence starter: ecosystems are resilient because... Use THE TEXT GIVEN ONLYarrow_forward
- The figure below shows the relative abundance (y axis) of shrubs in an ecosystem in the years following a fire (x axis). The shrubs in this ecosystem fall into two functional groups: fıre recruiters and fıre persisters. FIRE-RECRUITER SYNDROME FIRE-PERSISTER SYNDROME 10 100 Fire LOG YEARS If fire frequency decreased significantly in this ecosystem, which group would be benefited? O Both functional groups would benefit equally O Fire recruiter species O Fire persister species RELATIVE SHRUB SEEDLING ESTABLISHMENTarrow_forwardCER SCENARIO #1 This ecosystem is being affected by the development of a neighborhood. Acres are being cleared for building homes and roads. The people who have already moved in are complaining about the foxes that have been going through their yards and have even tried to catch small cats and dogs as prey. It was decided that the foxes would be trapped and relocated far away from the new neighborhood. PROMPT: WRITE A CLAIM STATEMENT ABOUT WHAT COULD HAPPEN TO THIS ECOSYSTEM WITH THE REMOVAL OF THE FOXES. CLAIM: EVIDENCE: REASONING:arrow_forwardDisruption #1: Habitat Destruction/Loss/Fragmentation/Degradation Deforestation in tropical areas is the greatest eliminator of species. Globally, temperate biomes have been affected more by habitat loss and degradation than have tropical biomes because of widespread economic development in temperate countries over the past 200 years. Island species -- many of them endemic species found nowhere else on earth -- are especially vulnerable to extinction when their habitats are destroyed, degraded, or fragmented. Any habitat surrounded by a different one can be viewed as a habitat island for most of the species that live there. Most national parks and other nature reserves are habitat islands, many of them encircled by potentially damaging logging, mining, energy extraction, and industrial activities. Habitat fragmentation -- by roads, logging, agriculture, and urban development -- OCcurs when a large area of habitat is reduced and divided into smaller, isolated patches, or habitat…arrow_forward
- Need helparrow_forwardDo 1 and 2arrow_forwardWHAT IF? Suppose a developer proposes to clear-cuta forest that serves as a corridor between two parks. Tocompensate, the developer also proposes to add the samearea of forest to one of the parks. As a professional ecologist, how might you argue for retaining the corridor?arrow_forward
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