What is the main reason that total forest area is increasing in many developed countries? A. Technology is improving in the timber industry. B. Natural forests have been replaced with planted and second-growth forests C. Interest rates tend to be increasing D. Falling timber prices make harvesting less profitable

What is the main reason that total forest area is increasing in many developed countries? A. Technology is improving in the timber industry. B. Natural forests have been replaced with planted and second-growth forests C. Interest rates tend to be increasing D. Falling timber prices make harvesting less profitable

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter55: Biodiversity And Conservation Biology

Section: Chapter Questions

Problem 4TYK

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Forest trees have trunks, branches, and big roots, contributing to large amounts of total biomass. Grasslands have comparatively less biomass, but have a larger net primary production than that of forests. Why is this so? A. Less respiration is needed in the forest habitat B. More biomass is added in a grassland in the same time as that of forests C. The number of consumers within the forest is greater D. Solar energy is converted to chemical energy at a much higher rate in forests
Which of the following relationships explains the high diversity of species in tropical forests? Group of answer choices a. burning forests return CO2 to the atmosphere b. populations grow rapidly when N is small c. tropical forests occur near the equator d. high energy input allows for a large number of trophic levels e. keystone species control species diversity
Part A In Central America, it has been found that if natural forests are retained within and around coffee plantations, there are many benefits to the natural forests and to the farmers. Which of these factors is least likely to explain this "win-win" situation? O Leaving more natural forest increases the biodiversity at the genetic, species, and ecosystems levels in the entire area. O Leaving some of the natural forest is a win for farmers because the forest provides ecosystem services, such as pollination, that farmers rely on for a successful business. O Many of the natural forest species will be able to utilize the coffee plantation habitat. O If the natural forests can provide some valuable ecosystem functions like pest management, the farmers can use fewer pesticides that harm the environment. Submit Request Answer
What are some advantages of ecotourism for a state like Hawai‘i? What might be a potential disadvantage? Describe a source of ecotourism that exists—or could exist—in your own region
Through succession, a field becomes a forest as hardwood trees become the dominant species in the ecosystem. Grasses are no longer able to compete as well in the forested environment. grasses → shrubs → softwood trees → hardwood trees Which is most likely the limiting factor that inhibits the growth of the grasses in the forest? a slow rates of decomposition on the forest floor b low levels of sunlight reaching the forest floor c thin layers of topsoil on the forest floor d low levels of humidity near the forest floor
What are the two key concepts for this section?What major ecological and economic benefits doforests provide? Describe the efforts of scientistsand economists to put a price tag on the majorecosystem services provided by forests and otherecosystems. Distinguish among old-growth(primary) forests, second-growth forests,and tree plantations (tree farms or commercialforests). Explain how increased reliance on treeplantations can reduce overall forest biodiversityand degrade forest topsoil.
In 1876, the US introduced Kudzu to NC to control erosion. Since this time, the vine has taken over and spread at a rate of 1 foot per day, causing the loss of native species. How would Kudzu be most accurately described? O A. As a predator O B. As a non-native species O C. As an alien plant O D. As an invasive species
Based 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?
Michael wants to build a new storage shed and is considering clearing some trees from his land to use as lumber. What justification best explains the ecological benefit of saving his trees? a Decreasing shade and windbreaks b Providing food for hundreds of species c Sequestering (storing) carbon d Aiding in discharge of aquifer
A family travels from New York City to Costa Rica three times a year for a vacation. The family would like to purchase some forested land in the Catskills, keeping the trees intact as an offset to the carbon dioxide they produce travelling each year. How much forest must they purchase? Use the following assumptions to measure the carbon offset provided by this intact forest. The biomass of the forest increases at an annual rate of 2.8 × 105 kg/ha. The forest biomass is 45% carbon by mass. There are four people in the family. 2 kg of CO2 is produced each mile per person on the flight. The round-trip distance is 4,500 miles. There are 2.47 acres in one hectare. Calculate the mass of carbon, in kilograms, that is accumulated and stored in 1.0 ha of this forest in one year. Show your work. Calculate the mass of carbon, in kilograms, that is emitted by the family as a result of their round-trip flights to Costa Rica each year. Show your work. Calculate the number of acres of forest…
It is that change is the of the und threat from the of trees as a of change? A Desert B Tropical Rainforest Tundra C. Taiga Grassland E. In which biome would you expect to see plants adapted to fire? Choose at least one correct answer Temperate forest A. Tundra Tropical rainforest C. Grassland Desert E. In which biome would you expect to see darkly pigmented leaves and low plant growth forms Choose at least one correct answer A Taiga Tundra B. C. c) Tropical Rainforest Grassland D. Desert E.
1.What is deforestation and forest degradation? 2.Why deforestation and forest degradation occurring within the Philippines? 3.Enumerate the causes of deforestation and forest degradation? 4.What are the negative impacts of deforestation? 5.Shouldn't the plantation of new forests be encouraged to compensate for deforestation? 6.Can deforestation and forest degradation be monitored with sufficient accuracy? 7.How much does it cost to protect forests at global level