Climate Change (chapter 6) Study Guide

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Climate Change (chapter 6) Study Guide
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1. How can we reduce deforestation? By planting and managing tree farms, Sustainable development.
2. A species that threatens the natural biodiversity of an ecosystem is Invasive species.
3. The Ozone Layer acts as Earth’s sunscreen.
4. A species that is unique and confined to a specific habitat is an Endemic species.
5. A combination of overgrazing, farming and drought has turned once-productive areas into deserts by a
process known as Desertification.
6. Excessive levels of DDT in the top-level consumers are a result of Biological Magnification.
7. Because the gases that make up the air can be replaced by natural processes, air is classified as a(an)
Renewable resource.
8. Microscopic particles, such as dust and as, that can enter the nose, mouth and lungs are called
Particulates.
9. Shoreline erosion and coastal flooding are two consequences of a global rise in Sea-level.
10. Using resources at a rate that does not deplete them is called Sustainable Development.
11. List some human activities that increase the amount of carbon dioxide.
Burning fossil fuels, Wasting food, and electricity.
12. List ways to reduce your carbon dioxide emissions.
Recycling, saving water and electricity, walking or riding a bike instead of a bus or car.
13. What are the direct side effects of acid rain? harming plants, buildings and cars, and aquatic
ecosystems.
14. Something with a pH below 7 is Acidic
15. Something with a pH above 7 is Basic
16. Something with a pH of 7 is Neutral
17. What is the relationship between fossil fuels and the greenhouse effect? Burning of fossil fuels releases
more greenhouse gases into the atmosphere.
18. What are the top 3 greenhouse gases? Water Vapor, carbon dioxide and methane.
19. Sediment cores, ice cores and tree rings are examples of Climate data records.
20. In the last 50 years average temperatures have risen 0.1 – 2 degrees Celsius
21. How are changes in weather different than changes in climate? Changes in weather happen quickly
but climate changes slowly over long periods of time.
22. Gases that contribute to the Earth’s surface temperature are called Greenhouse gases.
23. What are 3 examples of renewable resources __Solar _, ___ Wind ____, Hydro______.
24. What are 3 examples of non-renewable resources __oil ___, gas __, coal ___________.
25. What are 3 example of invasive species in PA (from notes) Asain lady beetle, stinkbug and
black/brown rat.
26. Give 3 examples of habitat fragmentation _Roads _, _Buildings__, _housing developments.
27. What is primary succession? Ecological succession that begins with bare rock and takes a long time.
Climate Change (chapter 6) Study Guide
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28. What is the difference between primary and secondary succession? Primary occurs in a new
ecosystem, it takes a long time. Secondary occurs after a disturbance and does not take as long as
primary.
29. Climate is weather patterns that change at least every few Decades.
30. Ice core samples are used to measure Past Climates.
31. What are the 2 least significant greenhouse gases? Nitrous Oxide and Ozone.
32. Trapping heat in the atmosphere is called the Greenhouse effect.
33. The gas in the atmosphere that protects life on earth from the sun’s UV radiation is Ozone layer.
34. What 2 compounds combine with water to form acid rain? Nitrogen Oxides and Sulfur dioxide.
35. The number of different species in the biosphere is called Biodiversity.
36. Overexposure to UV radiation can cause Skin Cancer.
37. DDT was used for what? Insectide/Pesticide used to kill insects.
38. An endangered species is a species that is close to extinction (dying out).
39. Wearing away soil and rock is a process called Soil erosion.
40. What causes ozone depletion? CFC’s = Chlorofluorocarbons.
41. What 3 things threaten biodiversity? Invasive species, hunting, altering habitats.
42. As harmful pollutants move up through trophic levels in food chains, its concentration increases.
Essays (Choose only ONE) ( 10 points, 5 Sentences)
What causes acid rain? What is the effect of acid rain on natural habitats?
What are introduced species? How are they a threat to biodiversity?
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