This is biology question, need al of those answered. The answers


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27.50

This is biology question, need al of those answered. The answers do not have to be long, juts answer the question. ATTACHMENT PREVIEW Download attachment Bio week 26.docx Aleksei Krasnozhon Biology 9th 04/13/2016 Answering the questions Chapter 29 1. Explain how air currents contribute to the formation of the Tropics and the large deserts. 2. What are large, roughly circular ocean current called? What effect do they have on climate, and where is that effect strongest? 3. What are the four major requirements for life? Which two are most often limiting in terrestrial ecosystem? In ocean ecosystem?] 4. Explain why traveling up a mountain takes you through biomes similar to those you would encounter by traveling north for a long distance. 5. Where are the nutrients of the tropical forest biome concentrated? Why is life is the tropical rain forest concentrated high above the ground? 6. Explain two undesirable effects of agriculture in the tropical rain-forest biome. 7. List some adaptations of ( a) desert plants and (b) desert animals to heat and drought. 8. What human activities damage deserts? What is desertification? 9. How are trees of the taiga adapted to a lack of water and a short growing season? 10. How do deciduous and coniferous biomes differ? 11. What single environmental factor best explains why there is short grass prairie in Colorado, tall grass prairie in Illinois, and deciduous forest in Ohio. 12. Where are the world’s largest populations of large herbivores and carnivores found. 13. Where is life in the oceans most abundant, and why? 14. Why is the diversity of life so high in coral reefs? What human impacts threaten them? 15. Distinguish among the limnetic, littoral, an profundal zones of lakes in terms of their locations and the communities they support. 16. Distinguish between oligotrophic and eutrophic lakes. Describe (a) a natural scenario and (b) a humancreated scenario under which an oligotrophic lake might be converted to a eutrophic lake. 17. Compare the source, transition, and floodplain zones of streams and rivers. 18. Distinguishing between the photic and aphotic zones. How do organism in the photic zone obtain nutrients? How are nutrients obtained in the aphotic zone? 19. What unusual primary producer forms the basis for hydrothermal vent communities. Chapter 30 1. Define conservation biology. What are some of the disciplines it draws on, and how does each discipline contribute to it? 2. What are the three different levels of biodiversity, and why is each one important? 3. What is ecological economics? Why is it important? 4. List the types of goods and services that natural ecosystems provide. 5. What four specific threats to biodiversity are described in this chapter? Provide an example of each. 6. Why is the TAMAR turtle project a goof model for conservation and sustainable development? 7. How can purchasing rustic-grown coffee imported from Latin America help preserve wildlife in the U.S.? 8. What is “bushmeat?” What types of animals are particularly endangered by it? What types of development promote it? What factors drive this development? 9. What types of evidence support the hypothesis that the wolf is a keystone species in Yellowstone National Park? Applying the concepts 1. What are the ethical foundations of conservation biology? Do you agree with them? Why or why not? Read more

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